499720312 has 64 divisors (see below), whose sum is σ = 1156478400. Its totient is φ = 197130240.

The previous prime is 499720303. The next prime is 499720313. The reversal of 499720312 is 213027994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499720313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334864 + ... + 336352.

It is an arithmetic number, because the mean of its divisors is an integer number (18069975).

Almost surely, 2^499720312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499720312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578239200).

499720312 is an abundant number, since it is smaller than the sum of its proper divisors (656758088).

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

499720312 is a wasteful number, since it uses less digits than its factorization.

499720312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976 (or 1972 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 499720312 is about 22354.4248863620. The cubic root of 499720312 is about 793.5525060393.

The spelling of 499720312 in words is "four hundred ninety-nine million, seven hundred twenty thousand, three hundred twelve".