499890036 has 12 divisors (see below), whose sum is σ = 1166410112. Its totient is φ = 166630008.

The previous prime is 499890031. The next prime is 499890071. The reversal of 499890036 is 630098994.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499890031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20828740 + ... + 20828763.

Almost surely, 2^499890036 is an apocalyptic number.

It is an amenable number.

499890036 is an abundant number, since it is smaller than the sum of its proper divisors (666520076).

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

499890036 is a wasteful number, since it uses less digits than its factorization.

499890036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41657510 (or 41657508 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 499890036 is about 22358.2207699987. The cubic root of 499890036 is about 793.6423360616.

The spelling of 499890036 in words is "four hundred ninety-nine million, eight hundred ninety thousand, thirty-six".