398761230 has 32 divisors (see below), whose sum is σ = 1093745664. Its totient is φ = 91145376.

The previous prime is 398761229. The next prime is 398761261. The reversal of 398761230 is 32167893.

It is a super-2 number, since 2×398761230² = 318021037102225800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 949222 + ... + 949641.

It is an arithmetic number, because the mean of its divisors is an integer number (34179552).

Almost surely, 2^398761230 is an apocalyptic number.

398761230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

398761230 is an abundant number, since it is smaller than the sum of its proper divisors (694984434).

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

398761230 is a wasteful number, since it uses less digits than its factorization.

398761230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898880.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 398761230 is about 19969.0067354388. The cubic root of 398761230 is about 736.0449019057.

The spelling of 398761230 in words is "three hundred ninety-eight million, seven hundred sixty-one thousand, two hundred thirty".