9140872 has 24 divisors (see below), whose sum is σ = 18561690. Its totient is φ = 4218240.

The previous prime is 9140863. The next prime is 9140893. The reversal of 9140872 is 2780419.

It can be written as a sum of positive squares in 3 ways, for example, as 6022116 + 3118756 = 2454^2 + 1766^2 .

It is a super-3 number, since 3×9140872³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2029 + ... + 4732.

Almost surely, 2^9140872 is an apocalyptic number.

It is an amenable number.

9140872 is an abundant number, since it is smaller than the sum of its proper divisors (9420818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9140872 is a wasteful number, since it uses less digits than its factorization.

9140872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6793 (or 6776 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 9140872 is about 3023.3875041086. The cubic root of 9140872 is about 209.0880484915.

The spelling of 9140872 in words is "nine million, one hundred forty thousand, eight hundred seventy-two".