499981092 has 36 divisors (see below), whose sum is σ = 1263270960. Its totient is φ = 153839712.

The previous prime is 499981091. The next prime is 499981109. The reversal of 499981092 is 290189994.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (499981091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121242 + ... + 125297.

It is an arithmetic number, because the mean of its divisors is an integer number (35090860).

Almost surely, 2^499981092 is an apocalyptic number.

It is an amenable number.

499981092 is an abundant number, since it is smaller than the sum of its proper divisors (763289868).

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

499981092 is a wasteful number, since it uses less digits than its factorization.

499981092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246572 (or 246557 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 51.

The square root of 499981092 is about 22360.2569752675. The cubic root of 499981092 is about 793.6905209983.

The spelling of 499981092 in words is "four hundred ninety-nine million, nine hundred eighty-one thousand, ninety-two".