491582914 has 8 divisors (see below), whose sum is σ = 780749388. Its totient is φ = 231333120.

The previous prime is 491582909. The next prime is 491582929. The reversal of 491582914 is 419285194.

It can be written as a sum of positive squares in 2 ways, for example, as 491375889 + 207025 = 22167^2 + 455^2 .

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

It is a super-2 number, since 2×491582914² = 483307522673462792, which contains 22 as substring.

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, 7229127 + ... + 7229194.

Almost surely, 2^491582914 is an apocalyptic number.

491582914 is a deficient number, since it is larger than the sum of its proper divisors (289166474).

491582914 is a wasteful number, since it uses less digits than its factorization.

491582914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14458340.

The product of its digits is 103680, while the sum is 43.

The square root of 491582914 is about 22171.6691748727. The cubic root of 491582914 is about 789.2215340650.

The spelling of 491582914 in words is "four hundred ninety-one million, five hundred eighty-two thousand, nine hundred fourteen".