16977892 has 6 divisors (see below), whose sum is σ = 29711318. Its totient is φ = 8488944.

The previous prime is 16977889. The next prime is 16977893. The reversal of 16977892 is 29877961.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12208036 + 4769856 = 3494^2 + 2184^2 .

It is not an unprimeable number, because it can be changed into a prime (16977893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122233 + ... + 2122240.

Almost surely, 2^16977892 is an apocalyptic number.

It is an amenable number.

16977892 is a deficient number, since it is larger than the sum of its proper divisors (12733426).

16977892 is a wasteful number, since it uses less digits than its factorization.

16977892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244477 (or 4244475 counting only the distinct ones).

The product of its digits is 381024, while the sum is 49.

The square root of 16977892 is about 4120.4237646145. The cubic root of 16977892 is about 257.0166481769.

The spelling of 16977892 in words is "sixteen million, nine hundred seventy-seven thousand, eight hundred ninety-two".