3257946 has 24 divisors (see below), whose sum is σ = 7210944. Its totient is φ = 1062600.

The previous prime is 3257941. The next prime is 3257959. The reversal of 3257946 is 6497523.

It is a super-2 number, since 2×3257946² = 21228424277832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3257946.

It is not an unprimeable number, because it can be changed into a prime (3257941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1080 + ... + 2771.

It is an arithmetic number, because the mean of its divisors is an integer number (300456).

Almost surely, 2^3257946 is an apocalyptic number.

3257946 is an abundant number, since it is smaller than the sum of its proper divisors (3952998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3257946 is a wasteful number, since it uses less digits than its factorization.

3257946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906 (or 3903 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 3257946 is about 1804.9781162108. The cubic root of 3257946 is about 148.2454230885.

The spelling of 3257946 in words is "three million, two hundred fifty-seven thousand, nine hundred forty-six".