398575575893 has 8 divisors (see below), whose sum is σ = 435398103840. Its totient is φ = 361851112080.

The previous prime is 398575575889. The next prime is 398575575911.

398575575893 is nontrivially palindromic in base 10.

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 398575575893 - 2² = 398575575889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 398575575893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398575575493) 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, 24507530 + ... + 24523787.

It is an arithmetic number, because the mean of its divisors is an integer number (54424762980).

Almost surely, 2^398575575893 is an apocalyptic number.

It is an amenable number.

398575575893 is a deficient number, since it is larger than the sum of its proper divisors (36822527947).

398575575893 is a wasteful number, since it uses less digits than its factorization.

398575575893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49032067.

The product of its digits is 1428840000, while the sum is 74.

The spelling of 398575575893 in words is "three hundred ninety-eight billion, five hundred seventy-five million, five hundred seventy-five thousand, eight hundred ninety-three".