401958338 has 24 divisors (see below), whose sum is σ = 656904960. Its totient is φ = 184249080.

The previous prime is 401958329. The next prime is 401958379. The reversal of 401958338 is 833859104.

It is a junction number, because it is equal to n+sod(n) for n = 401958295 and 401958304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13403 + ... + 31361.

It is an arithmetic number, because the mean of its divisors is an integer number (27371040).

Almost surely, 2^401958338 is an apocalyptic number.

401958338 is a deficient number, since it is larger than the sum of its proper divisors (254946622).

401958338 is a wasteful number, since it uses less digits than its factorization.

401958338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18030 (or 18011 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 401958338 is about 20048.8986729945. The cubic root of 401958338 is about 738.0067725575.

The spelling of 401958338 in words is "four hundred one million, nine hundred fifty-eight thousand, three hundred thirty-eight".