499996728 has 96 divisors (see below), whose sum is σ = 1688319360. Its totient is φ = 129867840.

The previous prime is 499996727. The next prime is 499996729. The reversal of 499996728 is 827699994.

It is an interprime number because it is at equal distance from previous prime (499996727) and next prime (499996729).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499996727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39550 + ... + 50637.

It is an arithmetic number, because the mean of its divisors is an integer number (17586660).

Almost surely, 2^499996728 is an apocalyptic number.

It is an amenable number.

499996728 is an abundant number, since it is smaller than the sum of its proper divisors (1188322632).

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

499996728 is a wasteful number, since it uses less digits than its factorization.

499996728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90217 (or 90210 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 63.

The square root of 499996728 is about 22360.6066107340. The cubic root of 499996728 is about 793.6987946549.

The spelling of 499996728 in words is "four hundred ninety-nine million, nine hundred ninety-six thousand, seven hundred twenty-eight".