401383938 has 16 divisors (see below), whose sum is σ = 803399616. Its totient is φ = 133689360.

The previous prime is 401383937. The next prime is 401383943. The reversal of 401383938 is 839383104.

It is a super-2 number, since 2×401383938² = 322218131368775688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401383896 and 401383905.

It is not an unprimeable number, because it can be changed into a prime (401383937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17853 + ... + 33488.

It is an arithmetic number, because the mean of its divisors is an integer number (50212476).

Almost surely, 2^401383938 is an apocalyptic number.

401383938 is an abundant number, since it is smaller than the sum of its proper divisors (402015678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401383938 is a wasteful number, since it uses less digits than its factorization.

401383938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52649.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 401383938 is about 20034.5685753400. The cubic root of 401383938 is about 737.6550668092.

The spelling of 401383938 in words is "four hundred one million, three hundred eighty-three thousand, nine hundred thirty-eight".