9239040 has 120 divisors (see below), whose sum is σ = 32077188. Its totient is φ = 2457600.

The previous prime is 9239039. The next prime is 9239053. The reversal of 9239040 is 409329.

It can be written as a sum of positive squares in 2 ways, for example, as 8573184 + 665856 = 2928^2 + 816^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9238995 and 9239013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22840 + ... + 23240.

Almost surely, 2^9239040 is an apocalyptic number.

9239040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9239040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16038594).

9239040 is an abundant number, since it is smaller than the sum of its proper divisors (22838148).

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

9239040 is a wasteful number, since it uses less digits than its factorization.

9239040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 9239040 is about 3039.5789182056. The cubic root of 9239040 is about 209.8338822348.

The spelling of 9239040 in words is "nine million, two hundred thirty-nine thousand, forty".