401938227 has 16 divisors (see below), whose sum is σ = 595809280. Its totient is φ = 267803496.

The previous prime is 401938183. The next prime is 401938249. The reversal of 401938227 is 722839104.

It is not a de Polignac number, because 401938227 - 2¹⁰ = 401937203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401938191 and 401938200.

It is not an unprimeable number, because it can be changed into a prime (401938127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61218 + ... + 67464.

It is an arithmetic number, because the mean of its divisors is an integer number (37238080).

Almost surely, 2^401938227 is an apocalyptic number.

401938227 is a deficient number, since it is larger than the sum of its proper divisors (193871053).

401938227 is a wasteful number, since it uses less digits than its factorization.

401938227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639 (or 8633 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 401938227 is about 20048.3971179743. The cubic root of 401938227 is about 737.9944642324.

The spelling of 401938227 in words is "four hundred one million, nine hundred thirty-eight thousand, two hundred twenty-seven".