398919093371 has 8 divisors (see below), whose sum is σ = 403874716224. Its totient is φ = 393967027080.

The previous prime is 398919093367. The next prime is 398919093413. The reversal of 398919093371 is 173390919893.

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 398919093371 - 2² = 398919093367 is a prime.

It is a super-2 number, since 2×398919093371² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398919093871) 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, 663065 + ... + 1112426.

It is an arithmetic number, because the mean of its divisors is an integer number (50484339528).

Almost surely, 2^398919093371 is an apocalyptic number.

398919093371 is a deficient number, since it is larger than the sum of its proper divisors (4955622853).

398919093371 is a wasteful number, since it uses less digits than its factorization.

398919093371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778281.

The product of its (nonzero) digits is 9920232, while the sum is 62.

The spelling of 398919093371 in words is "three hundred ninety-eight billion, nine hundred nineteen million, ninety-three thousand, three hundred seventy-one".