198549320 has 32 divisors (see below), whose sum is σ = 447216120. Its totient is φ = 79334400.

The previous prime is 198549313. The next prime is 198549331. The reversal of 198549320 is 23945891.

It can be written as a sum of positive squares in 4 ways, for example, as 114019684 + 84529636 = 10678^2 + 9194^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45974 + ... + 50106.

Almost surely, 2^198549320 is an apocalyptic number.

198549320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198549320 is an abundant number, since it is smaller than the sum of its proper divisors (248666800).

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

198549320 is a wasteful number, since it uses less digits than its factorization.

198549320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5345 (or 5341 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 198549320 is about 14090.7529962029. The cubic root of 198549320 is about 583.3861771629.

The spelling of 198549320 in words is "one hundred ninety-eight million, five hundred forty-nine thousand, three hundred twenty".