198370530 has 24 divisors (see below), whose sum is σ = 515763612. Its totient is φ = 52898784.

The previous prime is 198370489. The next prime is 198370541. The reversal of 198370530 is 35073891.

198370530 is a `hidden beast` number, since 1 + 98 + 37 + 0 + 530 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 175589001 + 22781529 = 13251^2 + 4773^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1101969 + ... + 1102148.

Almost surely, 2^198370530 is an apocalyptic number.

198370530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198370530 is an abundant number, since it is smaller than the sum of its proper divisors (317393082).

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

198370530 is a wasteful number, since it uses less digits than its factorization.

198370530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204130 (or 2204127 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 198370530 is about 14084.4073357738. The cubic root of 198370530 is about 583.2110150787.

The spelling of 198370530 in words is "one hundred ninety-eight million, three hundred seventy thousand, five hundred thirty".