3257966 has 4 divisors (see below), whose sum is σ = 4886952. Its totient is φ = 1628982.

The previous prime is 3257959. The next prime is 3258001. The reversal of 3257966 is 6697523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6697523 = 7 ⋅956789.

It is a super-2 number, since 2×3257966² = 21228684914312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 814490 + ... + 814493.

It is an arithmetic number, because the mean of its divisors is an integer number (1221738).

Almost surely, 2^3257966 is an apocalyptic number.

3257966 is a deficient number, since it is larger than the sum of its proper divisors (1628986).

3257966 is a wasteful number, since it uses less digits than its factorization.

3257966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628985.

The product of its digits is 68040, while the sum is 38.

The square root of 3257966 is about 1804.9836564357. The cubic root of 3257966 is about 148.2457264394.

It can be divided in two parts, 325 and 7966, that multiplied together give a triangular number (2588950 = T₂₂₇₅).

The spelling of 3257966 in words is "three million, two hundred fifty-seven thousand, nine hundred sixty-six".