490864898 has 16 divisors (see below), whose sum is σ = 756190080. Its totient is φ = 238860336.

The previous prime is 490864889. The next prime is 490864901. The reversal of 490864898 is 898468094.

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, 2240 + ... + 31412.

It is an arithmetic number, because the mean of its divisors is an integer number (47261880).

Almost surely, 2^490864898 is an apocalyptic number.

490864898 is a deficient number, since it is larger than the sum of its proper divisors (265325182).

490864898 is a wasteful number, since it uses less digits than its factorization.

490864898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29401.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The square root of 490864898 is about 22155.4710624712. The cubic root of 490864898 is about 788.8370958246.

The spelling of 490864898 in words is "four hundred ninety million, eight hundred sixty-four thousand, eight hundred ninety-eight".