16979384 has 32 divisors (see below), whose sum is σ = 33210000. Its totient is φ = 8128512.

The previous prime is 16979383. The next prime is 16979387. The reversal of 16979384 is 48397961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16979383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37592 + ... + 38040.

Almost surely, 2^16979384 is an apocalyptic number.

It is an amenable number.

16979384 is a deficient number, since it is larger than the sum of its proper divisors (16230616).

16979384 is a wasteful number, since it uses less digits than its factorization.

16979384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 643 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 16979384 is about 4120.6048099763. The cubic root of 16979384 is about 257.0241767442.

The spelling of 16979384 in words is "sixteen million, nine hundred seventy-nine thousand, three hundred eighty-four".