398842904015 has 8 divisors (see below), whose sum is σ = 506765101680. Its totient is φ = 300305245312.

The previous prime is 398842904011. The next prime is 398842904017. The reversal of 398842904015 is 510409248893.

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

It is a cyclic number.

It is not a de Polignac number, because 398842904015 - 2² = 398842904011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398842904011) 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, 2346134645 + ... + 2346134814.

It is an arithmetic number, because the mean of its divisors is an integer number (63345637710).

Almost surely, 2^398842904015 is an apocalyptic number.

398842904015 is a deficient number, since it is larger than the sum of its proper divisors (107922197665).

398842904015 is a wasteful number, since it uses less digits than its factorization.

398842904015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692269481.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 398842904015 in words is "three hundred ninety-eight billion, eight hundred forty-two million, nine hundred four thousand, fifteen".