980957690 has 16 divisors (see below), whose sum is σ = 1813446792. Its totient is φ = 381777984.

The previous prime is 980957671. The next prime is 980957717. The reversal of 980957690 is 96759089.

It can be written as a sum of positive squares in 4 ways, for example, as 955242649 + 25715041 = 30907^2 + 5071^2 .

It is a super-2 number, since 2×980957690² = 1924555979140272200, which contains 22 as substring.

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, 1325249 + ... + 1325988.

Almost surely, 2^980957690 is an apocalyptic number.

980957690 is a deficient number, since it is larger than the sum of its proper divisors (832489102).

980957690 is a wasteful number, since it uses less digits than its factorization.

980957690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651281.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The square root of 980957690 is about 31320.2440922800. The cubic root of 980957690 is about 993.6118416636.

The spelling of 980957690 in words is "nine hundred eighty million, nine hundred fifty-seven thousand, six hundred ninety".