401798975 has 12 divisors (see below), whose sum is σ = 510384000. Its totient is φ = 313598400.

The previous prime is 401798951. The next prime is 401798981. The reversal of 401798975 is 579897104.

It is not a de Polignac number, because 401798975 - 2¹⁰ = 401797951 is a prime.

It is a super-2 number, since 2×401798975² = 322884832622101250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194975 + ... + 197024.

It is an arithmetic number, because the mean of its divisors is an integer number (42532000).

Almost surely, 2^401798975 is an apocalyptic number.

401798975 is a deficient number, since it is larger than the sum of its proper divisors (108585025).

401798975 is a wasteful number, since it uses less digits than its factorization.

401798975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392050 (or 392045 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 401798975 is about 20044.9239210330. The cubic root of 401798975 is about 737.9092280207.

The spelling of 401798975 in words is "four hundred one million, seven hundred ninety-eight thousand, nine hundred seventy-five".