16976979 has 16 divisors (see below), whose sum is σ = 25354240. Its totient is φ = 11226600.

The previous prime is 16976963. The next prime is 16976983. The reversal of 16976979 is 97967961.

It is not a de Polignac number, because 16976979 - 2⁴ = 16976963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16976909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954 + ... + 5904.

It is an arithmetic number, because the mean of its divisors is an integer number (1584640).

Almost surely, 2^16976979 is an apocalyptic number.

16976979 is a deficient number, since it is larger than the sum of its proper divisors (8377261).

16976979 is a wasteful number, since it uses less digits than its factorization.

16976979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087 (or 5081 counting only the distinct ones).

The product of its digits is 1285956, while the sum is 54.

The square root of 16976979 is about 4120.3129735495. The cubic root of 16976979 is about 257.0120410009.

It can be divided in two parts, 16976 and 979, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 16976979 in words is "sixteen million, nine hundred seventy-six thousand, nine hundred seventy-nine".