198912932 has 12 divisors (see below), whose sum is σ = 348248796. Its totient is φ = 99413280.

The previous prime is 198912929. The next prime is 198913003. The reversal of 198912932 is 239219891.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119596096 + 79316836 = 10936^2 + 8906^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998 + ... + 19970.

It is an arithmetic number, because the mean of its divisors is an integer number (29020733).

Almost surely, 2^198912932 is an apocalyptic number.

It is an amenable number.

198912932 is a deficient number, since it is larger than the sum of its proper divisors (149335864).

198912932 is a wasteful number, since it uses less digits than its factorization.

198912932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21598 (or 21596 counting only the distinct ones).

The product of its digits is 69984, while the sum is 44.

The square root of 198912932 is about 14103.6495985968. The cubic root of 198912932 is about 583.7420868083.

The spelling of 198912932 in words is "one hundred ninety-eight million, nine hundred twelve thousand, nine hundred thirty-two".