488991290 has 16 divisors (see below), whose sum is σ = 898912512. Its totient is φ = 191434704.

The previous prime is 488991287. The next prime is 488991317. The reversal of 488991290 is 92199884.

It is a happy number.

It is a super-2 number, since 2×488991290² = 478224963391728200, which contains 22 as substring.

It is a Curzon 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, 519734 + ... + 520673.

It is an arithmetic number, because the mean of its divisors is an integer number (56182032).

Almost surely, 2^488991290 is an apocalyptic number.

488991290 is a deficient number, since it is larger than the sum of its proper divisors (409921222).

488991290 is a wasteful number, since it uses less digits than its factorization.

488991290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040461.

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 488991290 is about 22113.1474467114. The cubic root of 488991290 is about 787.8321649049.

The spelling of 488991290 in words is "four hundred eighty-eight million, nine hundred ninety-one thousand, two hundred ninety".