498807918 has 48 divisors (see below), whose sum is σ = 1274996736. Its totient is φ = 137918160.

The previous prime is 498807913. The next prime is 498807929. The reversal of 498807918 is 819708894.

498807918 is a `hidden beast` number, since 498 + 80 + 79 + 1 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498807913) 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, 59946 + ... + 67757.

It is an arithmetic number, because the mean of its divisors is an integer number (26562432).

Almost surely, 2^498807918 is an apocalyptic number.

498807918 is an abundant number, since it is smaller than the sum of its proper divisors (776188818).

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

498807918 is a wasteful number, since it uses less digits than its factorization.

498807918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127749 (or 127746 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 498807918 is about 22334.0081042342. The cubic root of 498807918 is about 793.0692532918.

The spelling of 498807918 in words is "four hundred ninety-eight million, eight hundred seven thousand, nine hundred eighteen".