398113400 has 48 divisors (see below), whose sum is σ = 928400400. Its totient is φ = 158766080.

The previous prime is 398113399. The next prime is 398113411. The reversal of 398113400 is 4311893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67781 + ... + 73419.

It is an arithmetic number, because the mean of its divisors is an integer number (19341675).

Almost surely, 2^398113400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398113400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464200200).

398113400 is an abundant number, since it is smaller than the sum of its proper divisors (530287000).

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

398113400 is a wasteful number, since it uses less digits than its factorization.

398113400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6008 (or 5999 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 398113400 is about 19952.7792550311. The cubic root of 398113400 is about 735.6460914668.

The spelling of 398113400 in words is "three hundred ninety-eight million, one hundred thirteen thousand, four hundred".