499221108 has 36 divisors (see below), whose sum is σ = 1264212768. Its totient is φ = 166104720.

The previous prime is 499221103. The next prime is 499221139. The reversal of 499221108 is 801122994.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499221103) 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 11 ways as a sum of consecutive naturals, for example, 7953 + ... + 32583.

Almost surely, 2^499221108 is an apocalyptic number.

It is an amenable number.

499221108 is an abundant number, since it is smaller than the sum of its proper divisors (764991660).

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

499221108 is a wasteful number, since it uses less digits than its factorization.

499221108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25204 (or 25199 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 499221108 is about 22343.2564323108. The cubic root of 499221108 is about 793.2881737980.

The spelling of 499221108 in words is "four hundred ninety-nine million, two hundred twenty-one thousand, one hundred eight".