972424 has 8 divisors (see below), whose sum is σ = 1823310. Its totient is φ = 486208.

The previous prime is 972409. The next prime is 972427. The reversal of 972424 is 424279.

972424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 964324 + 8100 = 982^2 + 90^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 972392 and 972401.

It is not an unprimeable number, because it can be changed into a prime (972427) by changing a digit.

972424 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60769 + ... + 60784.

2⁹⁷²⁴²⁴ is an apocalyptic number.

It is an amenable number.

972424 is a deficient number, since it is larger than the sum of its proper divisors (850886).

972424 is a wasteful number, since it uses less digits than its factorization.

972424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121559 (or 121555 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 972424 is about 986.1156118833. The cubic root of 972424 is about 99.0722188417.

The spelling of 972424 in words is "nine hundred seventy-two thousand, four hundred twenty-four".