3342649 has 4 divisors (see below), whose sum is σ = 3352320. Its totient is φ = 3332980.

The previous prime is 3342629. The next prime is 3342667. The reversal of 3342649 is 9462433.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9462433 = 1013 ⋅9341.

It is a cyclic number.

It is not a de Polignac number, because 3342649 - 2⁹ = 3342137 is a prime.

It is a super-2 number, since 2×3342649² = 22346604674402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 3⁹ + 3¹¹ + 4 + 2²¹ + 6 + 4¹⁰ + 9² .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3342649.

It is not an unprimeable number, because it can be changed into a prime (3342629) 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, 4297 + ... + 5014.

It is an arithmetic number, because the mean of its divisors is an integer number (838080).

Almost surely, 2^3342649 is an apocalyptic number.

It is an amenable number.

3342649 is a deficient number, since it is larger than the sum of its proper divisors (9671).

3342649 is an equidigital number, since it uses as much as digits as its factorization.

3342649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9670.

The product of its digits is 15552, while the sum is 31.

The square root of 3342649 is about 1828.2912787628. The cubic root of 3342649 is about 149.5191863610.

The spelling of 3342649 in words is "three million, three hundred forty-two thousand, six hundred forty-nine".