398124982 has 8 divisors (see below), whose sum is σ = 601746552. Its totient is φ = 197542800.

The previous prime is 398124977. The next prime is 398124997. The reversal of 398124982 is 289421893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759519 + ... + 760042.

It is an arithmetic number, because the mean of its divisors is an integer number (75218319).

Almost surely, 2^398124982 is an apocalyptic number.

398124982 is a deficient number, since it is larger than the sum of its proper divisors (203621570).

398124982 is a wasteful number, since it uses less digits than its factorization.

398124982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519694.

The product of its digits is 248832, while the sum is 46.

The square root of 398124982 is about 19953.0694881765. The cubic root of 398124982 is about 735.6532252553.

The spelling of 398124982 in words is "three hundred ninety-eight million, one hundred twenty-four thousand, nine hundred eighty-two".