3312657 has 10 divisors (see below), whose sum is σ = 4948658. Its totient is φ = 2208384.

The previous prime is 3312653. The next prime is 3312679. The reversal of 3312657 is 7562133.

It is a happy number.

3312657 is a `hidden beast` number, since 3 + 3 + 1 + 2 + 657 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3207681 + 104976 = 1791^2 + 324^2 .

It is not a de Polignac number, because 3312657 - 2² = 3312653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 3312657.

It is not an unprimeable number, because it can be changed into a prime (3312653) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20368 + ... + 20529.

Almost surely, 2^3312657 is an apocalyptic number.

It is an amenable number.

3312657 is a deficient number, since it is larger than the sum of its proper divisors (1636001).

3312657 is an equidigital number, since it uses as much as digits as its factorization.

3312657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40909 (or 40900 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 3312657 is about 1820.0706030262. The cubic root of 3312657 is about 149.0706539980.

It can be divided in two parts, 3312 and 657, that added together give a square (3969 = 63²).

The spelling of 3312657 in words is "three million, three hundred twelve thousand, six hundred fifty-seven".