198690976 has 24 divisors (see below), whose sum is σ = 426734784. Its totient is φ = 90313920.

The previous prime is 198690971. The next prime is 198691007. The reversal of 198690976 is 679096891.

198690976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (198690971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281880 + ... + 282583.

It is an arithmetic number, because the mean of its divisors is an integer number (17780616).

Almost surely, 2^198690976 is an apocalyptic number.

198690976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

198690976 is an abundant number, since it is smaller than the sum of its proper divisors (228043808).

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

198690976 is a wasteful number, since it uses less digits than its factorization.

198690976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564484 (or 564476 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 55.

The square root of 198690976 is about 14095.7786588751. The cubic root of 198690976 is about 583.5248841044.

The spelling of 198690976 in words is "one hundred ninety-eight million, six hundred ninety thousand, nine hundred seventy-six".