791620 has 12 divisors (see below), whose sum is σ = 1662444. Its totient is φ = 316640.

The previous prime is 791599. The next prime is 791627. The reversal of 791620 is 26197.

It can be written as a sum of positive squares in 2 ways, for example, as 412164 + 379456 = 642^2 + 616^2 .

It is not an unprimeable number, because it can be changed into a prime (791627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19771 + ... + 19810.

It is an arithmetic number, because the mean of its divisors is an integer number (138537).

2⁷⁹¹⁶²⁰ is an apocalyptic number.

It is an amenable number.

791620 is an abundant number, since it is smaller than the sum of its proper divisors (870824).

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

791620 is a wasteful number, since it uses less digits than its factorization.

791620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39590 (or 39588 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 791620 is about 889.7302962134. The cubic root of 791620 is about 92.5065006388.

The spelling of 791620 in words is "seven hundred ninety-one thousand, six hundred twenty".