981003290 has 16 divisors (see below), whose sum is σ = 1806871968. Its totient is φ = 383275536.

The previous prime is 981003263. The next prime is 981003349. The reversal of 981003290 is 92300189.

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, 1140272 + ... + 1141131.

It is an arithmetic number, because the mean of its divisors is an integer number (112929498).

Almost surely, 2^981003290 is an apocalyptic number.

981003290 is a deficient number, since it is larger than the sum of its proper divisors (825868678).

981003290 is a wasteful number, since it uses less digits than its factorization.

981003290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281453.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 981003290 is about 31320.9720474956. The cubic root of 981003290 is about 993.6272375019.

The spelling of 981003290 in words is "nine hundred eighty-one million, three thousand, two hundred ninety".