401690934 has 16 divisors (see below), whose sum is σ = 892646640. Its totient is φ = 133896960.

The previous prime is 401690911. The next prime is 401690953. The reversal of 401690934 is 439096104.

It is a super-2 number, since 2×401690934² = 322711212915584712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3719307 + ... + 3719414.

It is an arithmetic number, because the mean of its divisors is an integer number (55790415).

Almost surely, 2^401690934 is an apocalyptic number.

401690934 is an abundant number, since it is smaller than the sum of its proper divisors (490955706).

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

401690934 is a wasteful number, since it uses less digits than its factorization.

401690934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7438732 (or 7438726 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 401690934 is about 20042.2287682782. The cubic root of 401690934 is about 737.8430825079.

The spelling of 401690934 in words is "four hundred one million, six hundred ninety thousand, nine hundred thirty-four".