499681626 has 16 divisors (see below), whose sum is σ = 999656544. Its totient is φ = 166511664.

The previous prime is 499681621. The next prime is 499681631. The reversal of 499681626 is 626186994.

It is an interprime number because it is at equal distance from previous prime (499681621) and next prime (499681631).

It is not an unprimeable number, because it can be changed into a prime (499681621) 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, 14385 + ... + 34731.

It is an arithmetic number, because the mean of its divisors is an integer number (62478534).

Almost surely, 2^499681626 is an apocalyptic number.

499681626 is an abundant number, since it is smaller than the sum of its proper divisors (499974918).

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

499681626 is a wasteful number, since it uses less digits than its factorization.

499681626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24445.

The product of its digits is 1119744, while the sum is 51.

The square root of 499681626 is about 22353.5595823126. The cubic root of 499681626 is about 793.5320278079.

The spelling of 499681626 in words is "four hundred ninety-nine million, six hundred eighty-one thousand, six hundred twenty-six".