499698642 has 16 divisors (see below), whose sum is σ = 1020661632. Its totient is φ = 163022160.

The previous prime is 499698637. The next prime is 499698643. The reversal of 499698642 is 246896994.

It is not an unprimeable number, because it can be changed into a prime (499698643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885709 + ... + 886272.

It is an arithmetic number, because the mean of its divisors is an integer number (63791352).

Almost surely, 2^499698642 is an apocalyptic number.

499698642 is an abundant number, since it is smaller than the sum of its proper divisors (520962990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499698642 is a wasteful number, since it uses less digits than its factorization.

499698642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772033.

The product of its digits is 6718464, while the sum is 57.

The square root of 499698642 is about 22353.9401895952. The cubic root of 499698642 is about 793.5410352685.

The spelling of 499698642 in words is "four hundred ninety-nine million, six hundred ninety-eight thousand, six hundred forty-two".