398296044287 has 8 divisors (see below), whose sum is σ = 407101464000. Its totient is φ = 389504417824.

The previous prime is 398296044257. The next prime is 398296044323. The reversal of 398296044287 is 782440692893.

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 398296044287 - 2³⁸ = 123418137343 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 (398296044217) 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, 3389912 + ... + 3505437.

It is an arithmetic number, because the mean of its divisors is an integer number (50887683000).

Almost surely, 2^398296044287 is an apocalyptic number.

398296044287 is a deficient number, since it is larger than the sum of its proper divisors (8805419713).

398296044287 is a wasteful number, since it uses less digits than its factorization.

398296044287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6896625.

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 398296044287 in words is "three hundred ninety-eight billion, two hundred ninety-six million, forty-four thousand, two hundred eighty-seven".