398924251071 has 16 divisors (see below), whose sum is σ = 534473315328. Its totient is φ = 264662596800.

The previous prime is 398924251049. The next prime is 398924251127. The reversal of 398924251071 is 170152429893.

It is not a de Polignac number, because 398924251071 - 2¹⁷ = 398924119999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398924251001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7859986 + ... + 7910576.

It is an arithmetic number, because the mean of its divisors is an integer number (33404582208).

Almost surely, 2^398924251071 is an apocalyptic number.

398924251071 is a deficient number, since it is larger than the sum of its proper divisors (135549064257).

398924251071 is a wasteful number, since it uses less digits than its factorization.

398924251071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63262.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 398924251071 in words is "three hundred ninety-eight billion, nine hundred twenty-four million, two hundred fifty-one thousand, seventy-one".