192990880 has 48 divisors (see below), whose sum is σ = 466560864. Its totient is φ = 75398400.

The previous prime is 192990869. The next prime is 192990937. The reversal of 192990880 is 88099291.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 192990880.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 7146 + ... + 20905.

It is an arithmetic number, because the mean of its divisors is an integer number (9720018).

Almost surely, 2^192990880 is an apocalyptic number.

192990880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

192990880 is an abundant number, since it is smaller than the sum of its proper divisors (273569984).

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

192990880 is a wasteful number, since it uses less digits than its factorization.

192990880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28109 (or 28101 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 192990880 is about 13892.1157495898. The cubic root of 192990880 is about 577.8905537037.

The spelling of 192990880 in words is "one hundred ninety-two million, nine hundred ninety thousand, eight hundred eighty".