398130524 has 24 divisors (see below), whose sum is σ = 761135088. Its totient is φ = 180714240.

The previous prime is 398130511. The next prime is 398130559. The reversal of 398130524 is 425031893.

It is a super-3 number, since 3×398130524³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27332 + ... + 39284.

It is an arithmetic number, because the mean of its divisors is an integer number (31713962).

Almost surely, 2^398130524 is an apocalyptic number.

It is an amenable number.

398130524 is a deficient number, since it is larger than the sum of its proper divisors (363004564).

398130524 is a wasteful number, since it uses less digits than its factorization.

398130524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12725 (or 12723 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 398130524 is about 19953.2083635690. The cubic root of 398130524 is about 735.6566387322.

The spelling of 398130524 in words is "three hundred ninety-eight million, one hundred thirty thousand, five hundred twenty-four".