790820 has 12 divisors (see below), whose sum is σ = 1660764. Its totient is φ = 316320.

The previous prime is 790819. The next prime is 790831. The reversal of 790820 is 28097.

It can be written as a sum of positive squares in 2 ways, for example, as 98596 + 692224 = 314^2 + 832^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 790820.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19751 + ... + 19790.

It is an arithmetic number, because the mean of its divisors is an integer number (138397).

2⁷⁹⁰⁸²⁰ is an apocalyptic number.

It is an amenable number.

790820 is an abundant number, since it is smaller than the sum of its proper divisors (869944).

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

790820 is a wasteful number, since it uses less digits than its factorization.

790820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39550 (or 39548 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 790820 is about 889.2806081322. The cubic root of 790820 is about 92.4753282143.

The spelling of 790820 in words is "seven hundred ninety thousand, eight hundred twenty".