790989 has 8 divisors (see below), whose sum is σ = 1110240. Its totient is φ = 499536.

The previous prime is 790969. The next prime is 790991. The reversal of 790989 is 989097.

790989 = T₂₇₉ + T₂₈₀ + ... + T₂₉₇.

It is a happy number.

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

It is not a de Polignac number, because 790989 - 2⁵ = 790957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 790989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (790969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6882 + ... + 6995.

It is an arithmetic number, because the mean of its divisors is an integer number (138780).

2⁷⁹⁰⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

790989 is a deficient number, since it is larger than the sum of its proper divisors (319251).

790989 is a wasteful number, since it uses less digits than its factorization.

790989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13899.

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 790989 is about 889.3756236821. The cubic root of 790989 is about 92.4819151399.

The spelling of 790989 in words is "seven hundred ninety thousand, nine hundred eighty-nine".