9038140 has 24 divisors (see below), whose sum is σ = 19635840. Its totient is φ = 3490368.

The previous prime is 9038123. The next prime is 9038189. The reversal of 9038140 is 418309.

9038140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7212 + ... + 8371.

It is an arithmetic number, because the mean of its divisors is an integer number (818160).

Almost surely, 2^9038140 is an apocalyptic number.

It is an amenable number.

9038140 is an abundant number, since it is smaller than the sum of its proper divisors (10597700).

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

9038140 is a wasteful number, since it uses less digits than its factorization.

9038140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15621 (or 15619 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 9038140 is about 3006.3499463635. The cubic root of 9038140 is about 208.3017993160.

The spelling of 9038140 in words is "nine million, thirty-eight thousand, one hundred forty".