486995639 has 24 divisors (see below), whose sum is σ = 539671392. Its totient is φ = 439171200.

The previous prime is 486995633. The next prime is 486995699. The reversal of 486995639 is 936599684.

It is not a de Polignac number, because 486995639 - 2²⁴ = 470218423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486995633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1757969 + ... + 1758245.

It is an arithmetic number, because the mean of its divisors is an integer number (22486308).

Almost surely, 2^486995639 is an apocalyptic number.

486995639 is a deficient number, since it is larger than the sum of its proper divisors (52675753).

486995639 is a wasteful number, since it uses less digits than its factorization.

486995639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 494 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 59.

The square root of 486995639 is about 22067.9776826061. The cubic root of 486995639 is about 786.7589475876.

The spelling of 486995639 in words is "four hundred eighty-six million, nine hundred ninety-five thousand, six hundred thirty-nine".