491394934 has 8 divisors (see below), whose sum is σ = 737355528. Its totient is φ = 245609760.

The previous prime is 491394889. The next prime is 491394947. The reversal of 491394934 is 439493194.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36612 + ... + 48199.

It is an arithmetic number, because the mean of its divisors is an integer number (92169441).

Almost surely, 2^491394934 is an apocalyptic number.

491394934 is a deficient number, since it is larger than the sum of its proper divisors (245960594).

491394934 is a wasteful number, since it uses less digits than its factorization.

491394934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87710.

The product of its digits is 419904, while the sum is 46.

The square root of 491394934 is about 22167.4295758439. The cubic root of 491394934 is about 789.1209225003.

The spelling of 491394934 in words is "four hundred ninety-one million, three hundred ninety-four thousand, nine hundred thirty-four".