398125084 has 12 divisors (see below), whose sum is σ = 796250224. Its totient is φ = 170625024.

The previous prime is 398125081. The next prime is 398125087. The reversal of 398125084 is 480521893.

It is an interprime number because it is at equal distance from previous prime (398125081) and next prime (398125087).

398125084 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398125081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7109349 + ... + 7109404.

Almost surely, 2^398125084 is an apocalyptic number.

It is an amenable number.

398125084 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

398125084 is a wasteful number, since it uses less digits than its factorization.

398125084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14218764 (or 14218762 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 398125084 is about 19953.0720441740. The cubic root of 398125084 is about 735.6532880803.

The spelling of 398125084 in words is "three hundred ninety-eight million, one hundred twenty-five thousand, eighty-four".