2979657 has 12 divisors (see below), whose sum is σ = 4365504. Its totient is φ = 1958040.

The previous prime is 2979653. The next prime is 2979661. The reversal of 2979657 is 7569792.

It is an interprime number because it is at equal distance from previous prime (2979653) and next prime (2979661).

It is not a de Polignac number, because 2979657 - 2² = 2979653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2979653) 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 11 ways as a sum of consecutive naturals, for example, 1693 + ... + 2970.

It is an arithmetic number, because the mean of its divisors is an integer number (363792).

2^2979657 is an apocalyptic number.

It is an amenable number.

2979657 is a deficient number, since it is larger than the sum of its proper divisors (1385847).

2979657 is a wasteful number, since it uses less digits than its factorization.

2979657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740 (or 4737 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 2979657 is about 1726.1683000218. The cubic root of 2979657 is about 143.8982209036.

The spelling of 2979657 in words is "two million, nine hundred seventy-nine thousand, six hundred fifty-seven".