499999724 has 36 divisors (see below), whose sum is σ = 1039532256. Its totient is φ = 209722464.

The previous prime is 499999723. The next prime is 499999751. The reversal of 499999724 is 427999994.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (499999723) 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, 17927 + ... + 36350.

It is an arithmetic number, because the mean of its divisors is an integer number (28875896).

Almost surely, 2^499999724 is an apocalyptic number.

It is an amenable number.

499999724 is an abundant number, since it is smaller than the sum of its proper divisors (539532532).

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

499999724 is a wasteful number, since it uses less digits than its factorization.

499999724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54342 (or 54333 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 62.

The square root of 499999724 is about 22360.6736034494. The cubic root of 499999724 is about 793.7003799432.

The spelling of 499999724 in words is "four hundred ninety-nine million, nine hundred ninety-nine thousand, seven hundred twenty-four".