9272385 has 24 divisors (see below), whose sum is σ = 16509480. Its totient is φ = 4810752.

The previous prime is 9272371. The next prime is 9272401. The reversal of 9272385 is 5832729.

It is a happy number.

9272385 is a `hidden beast` number, since 9 + 272 + 385 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1252161 + 8020224 = 1119^2 + 2832^2 .

It is not a de Polignac number, because 9272385 - 2⁵ = 9272353 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1120 + ... + 4449.

It is an arithmetic number, because the mean of its divisors is an integer number (687895).

Almost surely, 2^9272385 is an apocalyptic number.

It is an amenable number.

9272385 is a deficient number, since it is larger than the sum of its proper divisors (7237095).

9272385 is a wasteful number, since it uses less digits than its factorization.

9272385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617 (or 5614 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 9272385 is about 3045.0591127267. The cubic root of 9272385 is about 210.0860191822.

The spelling of 9272385 in words is "nine million, two hundred seventy-two thousand, three hundred eighty-five".