401293838 has 32 divisors (see below), whose sum is σ = 667865088. Its totient is φ = 180817560.

The previous prime is 401293831. The next prime is 401293847. The reversal of 401293838 is 838392104.

It is a super-2 number, since 2×401293838² = 322073488833540488, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401293831) 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, 337481 + ... + 338667.

It is an arithmetic number, because the mean of its divisors is an integer number (20870784).

Almost surely, 2^401293838 is an apocalyptic number.

401293838 is a deficient number, since it is larger than the sum of its proper divisors (266571250).

401293838 is a wasteful number, since it uses less digits than its factorization.

401293838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 401293838 is about 20032.3198357055. The cubic root of 401293838 is about 737.5998680424.

The spelling of 401293838 in words is "four hundred one million, two hundred ninety-three thousand, eight hundred thirty-eight".