192918930 has 32 divisors (see below), whose sum is σ = 463567104. Its totient is φ = 51382656.

The previous prime is 192918923. The next prime is 192918997. The reversal of 192918930 is 39819291.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24679 + ... + 31541.

It is an arithmetic number, because the mean of its divisors is an integer number (14486472).

Almost surely, 2^192918930 is an apocalyptic number.

192918930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

192918930 is an abundant number, since it is smaller than the sum of its proper divisors (270648174).

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

192918930 is a wasteful number, since it uses less digits than its factorization.

192918930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7810.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 192918930 is about 13889.5259098358. The cubic root of 192918930 is about 577.8187292500.

The spelling of 192918930 in words is "one hundred ninety-two million, nine hundred eighteen thousand, nine hundred thirty".