9213472 has 12 divisors (see below), whose sum is σ = 18139086. Its totient is φ = 4606720.

The previous prime is 9213437. The next prime is 9213497. The reversal of 9213472 is 2743129.

It can be written as a sum of positive squares in only one way, i.e., 5035536 + 4177936 = 2244^2 + 2044^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9213472.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143929 + ... + 143992.

Almost surely, 2^9213472 is an apocalyptic number.

It is an amenable number.

9213472 is a deficient number, since it is larger than the sum of its proper divisors (8925614).

9213472 is a wasteful number, since it uses less digits than its factorization.

9213472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287931 (or 287923 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 9213472 is about 3035.3701586462. The cubic root of 9213472 is about 209.6401395456.

The spelling of 9213472 in words is "nine million, two hundred thirteen thousand, four hundred seventy-two".