192987916 has 12 divisors (see below), whose sum is σ = 368431560. Its totient is φ = 87721760.

The previous prime is 192987911. The next prime is 192987919. The reversal of 192987916 is 619789291.

It is not an unprimeable number, because it can be changed into a prime (192987911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2193001 + ... + 2193088.

It is an arithmetic number, because the mean of its divisors is an integer number (30702630).

Almost surely, 2^192987916 is an apocalyptic number.

It is an amenable number.

192987916 is a deficient number, since it is larger than the sum of its proper divisors (175443644).

192987916 is a wasteful number, since it uses less digits than its factorization.

192987916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386104 (or 4386102 counting only the distinct ones).

The product of its digits is 489888, while the sum is 52.

The square root of 192987916 is about 13892.0090699654. The cubic root of 192987916 is about 577.8875952282.

The spelling of 192987916 in words is "one hundred ninety-two million, nine hundred eighty-seven thousand, nine hundred sixteen".