398965230 has 128 divisors (see below), whose sum is σ = 1134604800. Its totient is φ = 99470592.

The previous prime is 398965213. The next prime is 398965261. The reversal of 398965230 is 32569893.

398965230 is a `hidden beast` number, since 39 + 8 + 96 + 523 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 425322 + ... + 426258.

It is an arithmetic number, because the mean of its divisors is an integer number (8864100).

Almost surely, 2^398965230 is an apocalyptic number.

398965230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 398965230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567302400).

398965230 is an abundant number, since it is smaller than the sum of its proper divisors (735639570).

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

398965230 is a wasteful number, since it uses less digits than its factorization.

398965230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 398965230 is about 19974.1139978723. The cubic root of 398965230 is about 736.1703968558.

The spelling of 398965230 in words is "three hundred ninety-eight million, nine hundred sixty-five thousand, two hundred thirty".