499981492 has 24 divisors (see below), whose sum is σ = 930310920. Its totient is φ = 234301440.

The previous prime is 499981457. The next prime is 499981519. The reversal of 499981492 is 294189994.

It can be written as a sum of positive squares in 4 ways, for example, as 41422096 + 458559396 = 6436^2 + 21414^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134 + ... + 31642.

It is an arithmetic number, because the mean of its divisors is an integer number (38762955).

Almost surely, 2^499981492 is an apocalyptic number.

It is an amenable number.

499981492 is a deficient number, since it is larger than the sum of its proper divisors (430329428).

499981492 is a wasteful number, since it uses less digits than its factorization.

499981492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30771 (or 30769 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 55.

The square root of 499981492 is about 22360.2659197068. The cubic root of 499981492 is about 793.6907326570.

The spelling of 499981492 in words is "four hundred ninety-nine million, nine hundred eighty-one thousand, four hundred ninety-two".