980990658 has 48 divisors (see below), whose sum is σ = 2144188800. Its totient is φ = 324133920.

The previous prime is 980990639. The next prime is 980990669. The reversal of 980990658 is 856099089.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1364023 + ... + 1364741.

It is an arithmetic number, because the mean of its divisors is an integer number (44670600).

Almost surely, 2^980990658 is an apocalyptic number.

980990658 is an abundant number, since it is smaller than the sum of its proper divisors (1163198142).

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

980990658 is a wasteful number, since it uses less digits than its factorization.

980990658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The square root of 980990658 is about 31320.7703928240. The cubic root of 980990658 is about 993.6229726324.

The spelling of 980990658 in words is "nine hundred eighty million, nine hundred ninety thousand, six hundred fifty-eight".