974409220 has 12 divisors (see below), whose sum is σ = 2046259404. Its totient is φ = 389763680.

The previous prime is 974409203. The next prime is 974409223. The reversal of 974409220 is 22904479.

It can be written as a sum of positive squares in 2 ways, for example, as 125619264 + 848789956 = 11208^2 + 29134^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 974409220.

It is not an unprimeable number, because it can be changed into a prime (974409223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24360211 + ... + 24360250.

It is an arithmetic number, because the mean of its divisors is an integer number (170521617).

Almost surely, 2^974409220 is an apocalyptic number.

It is an amenable number.

974409220 is an abundant number, since it is smaller than the sum of its proper divisors (1071850184).

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

974409220 is a wasteful number, since it uses less digits than its factorization.

974409220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48720470 (or 48720468 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 974409220 is about 31215.5285074592. The cubic root of 974409220 is about 991.3959221650.

The spelling of 974409220 in words is "nine hundred seventy-four million, four hundred nine thousand, two hundred twenty".