496489581 has 48 divisors (see below), whose sum is σ = 862138368. Its totient is φ = 279644400.

The previous prime is 496489579. The next prime is 496489597. The reversal of 496489581 is 185984694.

It is not a de Polignac number, because 496489581 - 2¹ = 496489579 is a prime.

It is a super-2 number, since 2×496489581² = 493003808083111122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496489501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118716 + ... + 122826.

It is an arithmetic number, because the mean of its divisors is an integer number (17961216).

Almost surely, 2^496489581 is an apocalyptic number.

It is an amenable number.

496489581 is a deficient number, since it is larger than the sum of its proper divisors (365648787).

496489581 is an equidigital number, since it uses as much as digits as its factorization.

496489581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4204 (or 4192 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 496489581 is about 22282.0461582863. The cubic root of 496489581 is about 791.8386809868.

The spelling of 496489581 in words is "four hundred ninety-six million, four hundred eighty-nine thousand, five hundred eighty-one".