9198472 has 16 divisors (see below), whose sum is σ = 17325900. Its totient is φ = 4578240.

The previous prime is 9198463. The next prime is 9198487. The reversal of 9198472 is 2748919.

It can be written as a sum of positive squares in 2 ways, for example, as 7107556 + 2090916 = 2666^2 + 1446^2 .

It is a super-2 number, since 2×9198472² = 169223774269568, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679 + ... + 4342.

Almost surely, 2^9198472 is an apocalyptic number.

It is an amenable number.

9198472 is a deficient number, since it is larger than the sum of its proper divisors (8127428).

9198472 is a wasteful number, since it uses less digits than its factorization.

9198472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256 (or 5252 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 9198472 is about 3032.8982838203. The cubic root of 9198472 is about 209.5263094874.

The spelling of 9198472 in words is "nine million, one hundred ninety-eight thousand, four hundred seventy-two".