791220 has 24 divisors (see below), whose sum is σ = 2215584. Its totient is φ = 210976.

The previous prime is 791209. The next prime is 791227. The reversal of 791220 is 22197.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791227) 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, 6534 + ... + 6653.

It is an arithmetic number, because the mean of its divisors is an integer number (92316).

2⁷⁹¹²²⁰ is an apocalyptic number.

It is an amenable number.

791220 is an abundant number, since it is smaller than the sum of its proper divisors (1424364).

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

791220 is a wasteful number, since it uses less digits than its factorization.

791220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13199 (or 13197 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 791220 is about 889.5054805902. The cubic root of 791220 is about 92.4909170531.

The spelling of 791220 in words is "seven hundred ninety-one thousand, two hundred twenty".