398024689339 has 4 divisors (see below), whose sum is σ = 398026028920. Its totient is φ = 398023349760.

The previous prime is 398024689319. The next prime is 398024689343. The reversal of 398024689339 is 933986420893.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 398024689339 - 2²⁵ = 397991134907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398024689319) 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, 2502 + ... + 892219.

It is an arithmetic number, because the mean of its divisors is an integer number (99506507230).

Almost surely, 2^398024689339 is an apocalyptic number.

398024689339 is a deficient number, since it is larger than the sum of its proper divisors (1339581).

398024689339 is an equidigital number, since it uses as much as digits as its factorization.

398024689339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339580.

The product of its (nonzero) digits is 60466176, while the sum is 64.

The spelling of 398024689339 in words is "three hundred ninety-eight billion, twenty-four million, six hundred eighty-nine thousand, three hundred thirty-nine".