496085991 has 16 divisors (see below), whose sum is σ = 699811200. Its totient is φ = 311719968.

The previous prime is 496085981. The next prime is 496085999. The reversal of 496085991 is 199580694.

It is not a de Polignac number, because 496085991 - 2⁹ = 496085479 is a prime.

It is a super-2 number, since 2×496085991² = 492202620932904162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496085999) 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, 10861 + ... + 33318.

It is an arithmetic number, because the mean of its divisors is an integer number (43738200).

Almost surely, 2^496085991 is an apocalyptic number.

496085991 is a deficient number, since it is larger than the sum of its proper divisors (203725209).

496085991 is a wasteful number, since it uses less digits than its factorization.

496085991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44398.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 496085991 is about 22272.9879225936. The cubic root of 496085991 is about 791.6240643273.

It can be divided in two parts, 4960 and 85991, that added together give a triangular number (90951 = T₄₂₆).

The spelling of 496085991 in words is "four hundred ninety-six million, eighty-five thousand, nine hundred ninety-one".