401238383 has 16 divisors (see below), whose sum is σ = 494430720. Its totient is φ = 317078496.

The previous prime is 401238377. The next prime is 401238391. The reversal of 401238383 is 383832104.

It is a happy number.

It is not a de Polignac number, because 401238383 - 2⁶ = 401238319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401238283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90566 + ... + 94892.

It is an arithmetic number, because the mean of its divisors is an integer number (30901920).

Almost surely, 2^401238383 is an apocalyptic number.

401238383 is a deficient number, since it is larger than the sum of its proper divisors (93192337).

401238383 is a wasteful number, since it uses less digits than its factorization.

401238383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5366.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 401238383 is about 20030.9356496395. The cubic root of 401238383 is about 737.5658900433.

The spelling of 401238383 in words is "four hundred one million, two hundred thirty-eight thousand, three hundred eighty-three".