398927200 has 72 divisors (see below), whose sum is σ = 1113022512. Its totient is φ = 136773120.

The previous prime is 398927119. The next prime is 398927201. The reversal of 398927200 is 2729893.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398927201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30019 + ... + 41218.

It is an arithmetic number, because the mean of its divisors is an integer number (15458646).

Almost surely, 2^398927200 is an apocalyptic number.

It is an amenable number.

398927200 is an abundant number, since it is smaller than the sum of its proper divisors (714095312).

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

398927200 is a wasteful number, since it uses less digits than its factorization.

398927200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71264 (or 71251 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 398927200 is about 19973.1619930346. The cubic root of 398927200 is about 736.1470051350.

The spelling of 398927200 in words is "three hundred ninety-eight million, nine hundred twenty-seven thousand, two hundred".