398570364 has 72 divisors (see below), whose sum is σ = 1049157200. Its totient is φ = 127464192.

The previous prime is 398570351. The next prime is 398570369. The reversal of 398570364 is 463075893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398570369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95187 + ... + 99285.

Almost surely, 2^398570364 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 398570364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524578600).

398570364 is an abundant number, since it is smaller than the sum of its proper divisors (650586836).

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

398570364 is a wasteful number, since it uses less digits than its factorization.

398570364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4219 (or 4214 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 398570364 is about 19964.2271075041. The cubic root of 398570364 is about 735.9274478538.

The spelling of 398570364 in words is "three hundred ninety-eight million, five hundred seventy thousand, three hundred sixty-four".