401146839 has 12 divisors (see below), whose sum is σ = 579904000. Its totient is φ = 267214464.

The previous prime is 401146817. The next prime is 401146843. The reversal of 401146839 is 938641104.

It is a de Polignac number, because none of the positive numbers 2^k-401146839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401146849) by changing a digit.

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, 5914 + ... + 28935.

Almost surely, 2^401146839 is an apocalyptic number.

401146839 is a deficient number, since it is larger than the sum of its proper divisors (178757161).

401146839 is a wasteful number, since it uses less digits than its factorization.

401146839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36134 (or 36131 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 401146839 is about 20028.6504537874. The cubic root of 401146839 is about 737.5097929945.

The spelling of 401146839 in words is "four hundred one million, one hundred forty-six thousand, eight hundred thirty-nine".