9281672 has 16 divisors (see below), whose sum is σ = 17874060. Its totient is φ = 4515264.

The previous prime is 9281669. The next prime is 9281689. The reversal of 9281672 is 2761829.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8145316 + 1136356 = 2854^2 + 1066^2 .

It is a super-2 number, since 2×9281672² = 172298870231168, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 15383 + ... + 15974.

Almost surely, 2^9281672 is an apocalyptic number.

It is an amenable number.

9281672 is a deficient number, since it is larger than the sum of its proper divisors (8592388).

9281672 is a wasteful number, since it uses less digits than its factorization.

9281672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31400 (or 31396 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 9281672 is about 3046.5836604302. The cubic root of 9281672 is about 210.1561348299.

The spelling of 9281672 in words is "nine million, two hundred eighty-one thousand, six hundred seventy-two".