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3390449 = 5096661
BaseRepresentation
bin1100111011101111110001
320101020211012
430323233301
51331443244
6200400305
740550456
oct14735761
96336735
103390449
111a06327
121176095
139192aa
1464382d
1546e89e
hex33bbf1

3390449 has 4 divisors (see below), whose sum is σ = 3397620. Its totient is φ = 3383280.

The previous prime is 3390437. The next prime is 3390461. The reversal of 3390449 is 9440933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9440933 = 17555349.

It is an interprime number because it is at equal distance from previous prime (3390437) and next prime (3390461).

It can be written as a sum of positive squares in 2 ways, for example, as 2999824 + 390625 = 1732^2 + 625^2 .

It is a cyclic number.

It is not a de Polignac number, because 3390449 - 212 = 3386353 is a prime.

It is a super-2 number, since 2×33904492 = 22990288843202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3390479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2822 + ... + 3839.

It is an arithmetic number, because the mean of its divisors is an integer number (849405).

Almost surely, 23390449 is an apocalyptic number.

It is an amenable number.

3390449 is a deficient number, since it is larger than the sum of its proper divisors (7171).

3390449 is an equidigital number, since it uses as much as digits as its factorization.

3390449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7170.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 3390449 is about 1841.3171915778. The cubic root of 3390449 is about 150.2285257372.

The spelling of 3390449 in words is "three million, three hundred ninety thousand, four hundred forty-nine".

Divisors: 1 509 6661 3390449