499498900 has 72 divisors (see below), whose sum is σ = 1148910840. Its totient is φ = 188160000.

The previous prime is 499498817. The next prime is 499498919. The reversal of 499498900 is 9894994.

It can be written as a sum of positive squares in 12 ways, for example, as 387223684 + 112275216 = 19678^2 + 10596^2 .

It is a super-2 number, since 2×499498900² = 498998302202420000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116800 + ... + 121000.

It is an arithmetic number, because the mean of its divisors is an integer number (15957095).

Almost surely, 2^499498900 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 499498900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574455420).

499498900 is an abundant number, since it is smaller than the sum of its proper divisors (649411940).

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

499498900 is a wasteful number, since it uses less digits than its factorization.

499498900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285 (or 4278 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 499498900 is about 22349.4720295581. The cubic root of 499498900 is about 793.4352884683.

It can be divided in two parts, 49 and 9498900, that added together give a palindrome (9498949).

The spelling of 499498900 in words is "four hundred ninety-nine million, four hundred ninety-eight thousand, nine hundred".