974230421 has 4 divisors (see below), whose sum is σ = 974533344. Its totient is φ = 973927500.

The previous prime is 974230417. The next prime is 974230447. The reversal of 974230421 is 124032479.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 974230421 - 2² = 974230417 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 (974230921) 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, 146585 + ... + 153086.

It is an arithmetic number, because the mean of its divisors is an integer number (243633336).

Almost surely, 2^974230421 is an apocalyptic number.

It is an amenable number.

974230421 is a deficient number, since it is larger than the sum of its proper divisors (302923).

974230421 is a wasteful number, since it uses less digits than its factorization.

974230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302922.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 974230421 is about 31212.6644328869. The cubic root of 974230421 is about 991.3352797987.

The spelling of 974230421 in words is "nine hundred seventy-four million, two hundred thirty thousand, four hundred twenty-one".