398832260 has 24 divisors (see below), whose sum is σ = 839612760. Its totient is φ = 159139584.

The previous prime is 398832241. The next prime is 398832277. The reversal of 398832260 is 62238893.

It can be written as a sum of positive squares in 4 ways, for example, as 57395776 + 341436484 = 7576^2 + 18478^2 .

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, 16199 + ... + 32558.

It is an arithmetic number, because the mean of its divisors is an integer number (34983865).

Almost surely, 2^398832260 is an apocalyptic number.

It is an amenable number.

398832260 is an abundant number, since it is smaller than the sum of its proper divisors (440780500).

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

398832260 is a wasteful number, since it uses less digits than its factorization.

398832260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49175 (or 49173 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 398832260 is about 19970.7851623315. The cubic root of 398832260 is about 736.0886023807.

The spelling of 398832260 in words is "three hundred ninety-eight million, eight hundred thirty-two thousand, two hundred sixty".