793491220 has 12 divisors (see below), whose sum is σ = 1666331604. Its totient is φ = 317396480.

The previous prime is 793491211. The next prime is 793491227. The reversal of 793491220 is 22194397.

It can be written as a sum of positive squares in 2 ways, for example, as 127644804 + 665846416 = 11298^2 + 25804^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 793491220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (793491227) 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 3 ways as a sum of consecutive naturals, for example, 19837261 + ... + 19837300.

It is an arithmetic number, because the mean of its divisors is an integer number (138860967).

Almost surely, 2^793491220 is an apocalyptic number.

It is an amenable number.

793491220 is an abundant number, since it is smaller than the sum of its proper divisors (872840384).

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

793491220 is a wasteful number, since it uses less digits than its factorization.

793491220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39674570 (or 39674568 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 793491220 is about 28168.9761972280. The cubic root of 793491220 is about 925.7933179625.

The spelling of 793491220 in words is "seven hundred ninety-three million, four hundred ninety-one thousand, two hundred twenty".