398924315382 has 16 divisors (see below), whose sum is σ = 798372515520. Its totient is φ = 132887457672.

The previous prime is 398924315357. The next prime is 398924315389. The reversal of 398924315382 is 283513429893.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398924315389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21818632 + ... + 21836907.

It is an arithmetic number, because the mean of its divisors is an integer number (49898282220).

Almost surely, 2^398924315382 is an apocalyptic number.

398924315382 is an abundant number, since it is smaller than the sum of its proper divisors (399448200138).

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

398924315382 is a wasteful number, since it uses less digits than its factorization.

398924315382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43657067.

The product of its digits is 11197440, while the sum is 57.

The spelling of 398924315382 in words is "three hundred ninety-eight billion, nine hundred twenty-four million, three hundred fifteen thousand, three hundred eighty-two".