3257668 has 12 divisors (see below), whose sum is σ = 5716480. Its totient is φ = 1624392.

The previous prime is 3257663. The next prime is 3257671. The reversal of 3257668 is 8667523.

It is a super-2 number, since 2×3257668² = 21224801596448, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3257663) 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, 973 + ... + 2731.

Almost surely, 2^3257668 is an apocalyptic number.

It is an amenable number.

3257668 is a deficient number, since it is larger than the sum of its proper divisors (2458812).

3257668 is a wasteful number, since it uses less digits than its factorization.

3257668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226 (or 2224 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 3257668 is about 1804.9011053241. The cubic root of 3257668 is about 148.2412063826.

The spelling of 3257668 in words is "three million, two hundred fifty-seven thousand, six hundred sixty-eight".