490878498 has 16 divisors (see below), whose sum is σ = 1071007776. Its totient is φ = 148751040.

The previous prime is 490878467. The next prime is 490878511. The reversal of 490878498 is 894878094.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3718711 + ... + 3718842.

It is an arithmetic number, because the mean of its divisors is an integer number (66937986).

Almost surely, 2^490878498 is an apocalyptic number.

490878498 is an abundant number, since it is smaller than the sum of its proper divisors (580129278).

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

490878498 is a wasteful number, since it uses less digits than its factorization.

490878498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7437569.

The product of its (nonzero) digits is 4644864, while the sum is 57.

The square root of 490878498 is about 22155.7779822781. Note that the first 3 decimals coincide. The cubic root of 490878498 is about 788.8443809828.

The spelling of 490878498 in words is "four hundred ninety million, eight hundred seventy-eight thousand, four hundred ninety-eight".