980990659 has 8 divisors (see below), whose sum is σ = 1080174528. Its totient is φ = 883473960.

The previous prime is 980990639. The next prime is 980990669. The reversal of 980990659 is 956099089.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 980990659 - 2⁷ = 980990531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980990609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415557 + ... + 417910.

It is an arithmetic number, because the mean of its divisors is an integer number (135021816).

Almost surely, 2^980990659 is an apocalyptic number.

980990659 is a deficient number, since it is larger than the sum of its proper divisors (99183869).

980990659 is a wasteful number, since it uses less digits than its factorization.

980990659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833585.

The product of its (nonzero) digits is 1574640, while the sum is 55.

The square root of 980990659 is about 31320.7704087878. The cubic root of 980990659 is about 993.6229729700.

The spelling of 980990659 in words is "nine hundred eighty million, nine hundred ninety thousand, six hundred fifty-nine".