974364421 has 4 divisors (see below), whose sum is σ = 974483244. Its totient is φ = 974245600.

The previous prime is 974364383. The next prime is 974364427. The reversal of 974364421 is 124463479.

974364421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 961868196 + 12496225 = 31014^2 + 3535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-974364421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974364427) 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, 46120 + ... + 63841.

It is an arithmetic number, because the mean of its divisors is an integer number (243620811).

Almost surely, 2^974364421 is an apocalyptic number.

It is an amenable number.

974364421 is a deficient number, since it is larger than the sum of its proper divisors (118823).

974364421 is a wasteful number, since it uses less digits than its factorization.

974364421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118822.

The product of its digits is 145152, while the sum is 40.

The square root of 974364421 is about 31214.8109236625. The cubic root of 974364421 is about 991.3807286078.

The spelling of 974364421 in words is "nine hundred seventy-four million, three hundred sixty-four thousand, four hundred twenty-one".