398675576893 has 8 divisors (see below), whose sum is σ = 434962856736. Its totient is φ = 362395638000.

The previous prime is 398675576851. The next prime is 398675576939.

398675576893 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 398675576893 - 2²¹ = 398673479741 is a prime.

It is a super-2 number, since 2×398675576893² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398675576833) 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, 1721371 + ... + 1939192.

It is an arithmetic number, because the mean of its divisors is an integer number (54370357092).

Almost surely, 2^398675576893 is an apocalyptic number.

It is an amenable number.

398675576893 is a deficient number, since it is larger than the sum of its proper divisors (36287279843).

398675576893 is a wasteful number, since it uses less digits than its factorization.

398675576893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670475.

The product of its digits is 2057529600, while the sum is 76.

The spelling of 398675576893 in words is "three hundred ninety-eight billion, six hundred seventy-five million, five hundred seventy-six thousand, eight hundred ninety-three".