398898056327 has 4 divisors (see below), whose sum is σ = 398906417976. Its totient is φ = 398889694680.

The previous prime is 398898056303. The next prime is 398898056329. The reversal of 398898056327 is 723650898893.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 398898056327 - 2²² = 398893862023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398898056329) 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, 4108853 + ... + 4204814.

It is an arithmetic number, because the mean of its divisors is an integer number (99726604494).

Almost surely, 2^398898056327 is an apocalyptic number.

398898056327 is a deficient number, since it is larger than the sum of its proper divisors (8361649).

398898056327 is an equidigital number, since it uses as much as digits as its factorization.

398898056327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8361648.

The product of its (nonzero) digits is 156764160, while the sum is 68.

The spelling of 398898056327 in words is "three hundred ninety-eight billion, eight hundred ninety-eight million, fifty-six thousand, three hundred twenty-seven".