490671698 has 12 divisors (see below), whose sum is σ = 809000430. Its totient is φ = 223032480.

The previous prime is 490671691. The next prime is 490671761. The reversal of 490671698 is 896176094.

It can be written as a sum of positive squares in only one way, i.e., 471020209 + 19651489 = 21703^2 + 4433^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (490671691) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1013543 + ... + 1014026.

Almost surely, 2^490671698 is an apocalyptic number.

490671698 is a deficient number, since it is larger than the sum of its proper divisors (318328732).

490671698 is a wasteful number, since it uses less digits than its factorization.

490671698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027593 (or 2027582 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 490671698 is about 22151.1105364946. The cubic root of 490671698 is about 788.7335891864.

The spelling of 490671698 in words is "four hundred ninety million, six hundred seventy-one thousand, six hundred ninety-eight".