3309457 has 4 divisors (see below), whose sum is σ = 3326976. Its totient is φ = 3291940.

The previous prime is 3309437. The next prime is 3309461. The reversal of 3309457 is 7549033.

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: 7549033 = 1163 ⋅6491.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3309457 is a prime.

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 3⁵ + 3¹² + 0 + 9² + 4⁵ + 5⁹ + 7⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3309437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8473 + ... + 8854.

It is an arithmetic number, because the mean of its divisors is an integer number (831744).

Almost surely, 2^3309457 is an apocalyptic number.

It is an amenable number.

3309457 is a deficient number, since it is larger than the sum of its proper divisors (17519).

3309457 is a wasteful number, since it uses less digits than its factorization.

3309457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17518.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 3309457 is about 1819.1913038490. The cubic root of 3309457 is about 149.0226381831.

The spelling of 3309457 in words is "three million, three hundred nine thousand, four hundred fifty-seven".