198925464 has 32 divisors (see below), whose sum is σ = 498493440. Its totient is φ = 66151200.

The previous prime is 198925451. The next prime is 198925469. The reversal of 198925464 is 464529891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198925469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729 + ... + 19959.

It is an arithmetic number, because the mean of its divisors is an integer number (15577920).

Almost surely, 2^198925464 is an apocalyptic number.

It is an amenable number.

198925464 is an abundant number, since it is smaller than the sum of its proper divisors (299567976).

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

198925464 is a wasteful number, since it uses less digits than its factorization.

198925464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19671 (or 19667 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 198925464 is about 14104.0938737659. The cubic root of 198925464 is about 583.7543456094.

The spelling of 198925464 in words is "one hundred ninety-eight million, nine hundred twenty-five thousand, four hundred sixty-four".