490860186 has 24 divisors (see below), whose sum is σ = 988310880. Its totient is φ = 162528912.

The previous prime is 490860173. The next prime is 490860197. The reversal of 490860186 is 681068094.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146235 + ... + 149553.

It is an arithmetic number, because the mean of its divisors is an integer number (41179620).

Almost surely, 2^490860186 is an apocalyptic number.

490860186 is an abundant number, since it is smaller than the sum of its proper divisors (497450694).

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

490860186 is a wasteful number, since it uses less digits than its factorization.

490860186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638 (or 3481 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 490860186 is about 22155.3647227934. The cubic root of 490860186 is about 788.8345717001.

The spelling of 490860186 in words is "four hundred ninety million, eight hundred sixty thousand, one hundred eighty-six".