16977436 has 24 divisors (see below), whose sum is σ = 34119680. Its totient is φ = 7240752.

The previous prime is 16977421. The next prime is 16977479. The reversal of 16977436 is 63477961.

It is a junction number, because it is equal to n+sod(n) for n = 16977392 and 16977401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4885 + ... + 7603.

Almost surely, 2^16977436 is an apocalyptic number.

It is an amenable number.

16977436 is an abundant number, since it is smaller than the sum of its proper divisors (17142244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16977436 is a wasteful number, since it uses less digits than its factorization.

16977436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953 (or 2951 counting only the distinct ones).

The product of its digits is 190512, while the sum is 43.

The square root of 16977436 is about 4120.3684301285. The cubic root of 16977436 is about 257.0143471327.

The spelling of 16977436 in words is "sixteen million, nine hundred seventy-seven thousand, four hundred thirty-six".