1490915198 has 16 divisors (see below), whose sum is σ = 2368990800. Its totient is φ = 701291136.

The previous prime is 1490915183. The next prime is 1490915203. The reversal of 1490915198 is 8915190941.

It is a congruent number.

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, 78065 + ... + 95267.

It is an arithmetic number, because the mean of its divisors is an integer number (148061925).

Almost surely, 2^1490915198 is an apocalyptic number.

1490915198 is a deficient number, since it is larger than the sum of its proper divisors (878075602).

1490915198 is a wasteful number, since it uses less digits than its factorization.

1490915198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19771.

The product of its (nonzero) digits is 116640, while the sum is 47.

The square root of 1490915198 is about 38612.3710486678. The cubic root of 1490915198 is about 1142.3985607419.

The spelling of 1490915198 in words is "one billion, four hundred ninety million, nine hundred fifteen thousand, one hundred ninety-eight".