398700576 has 96 divisors (see below), whose sum is σ = 1166356800. Its totient is φ = 132503040.

The previous prime is 398700559. The next prime is 398700581. The reversal of 398700576 is 675007893.

It is a happy number.

398700576 is a `hidden beast` number, since 3 + 9 + 8 + 70 + 0 + 576 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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, 491211 + ... + 492021.

It is an arithmetic number, because the mean of its divisors is an integer number (12149550).

Almost surely, 2^398700576 is an apocalyptic number.

398700576 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398700576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583178400).

398700576 is an abundant number, since it is smaller than the sum of its proper divisors (767656224).

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

398700576 is a wasteful number, since it uses less digits than its factorization.

398700576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399 (or 1385 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 398700576 is about 19967.4879742045. The cubic root of 398700576 is about 736.0075810498.

The spelling of 398700576 in words is "three hundred ninety-eight million, seven hundred thousand, five hundred seventy-six".