9038990 has 8 divisors (see below), whose sum is σ = 16270200. Its totient is φ = 3615592.

The previous prime is 9038969. The next prime is 9039007. The reversal of 9038990 is 998309.

9038990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 451940 + ... + 451959.

It is an arithmetic number, because the mean of its divisors is an integer number (2033775).

Almost surely, 2^9038990 is an apocalyptic number.

9038990 is a deficient number, since it is larger than the sum of its proper divisors (7231210).

9038990 is a wasteful number, since it uses less digits than its factorization.

9038990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903906.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 9038990 is about 3006.4913104814. The cubic root of 9038990 is about 208.3083290880.

The spelling of 9038990 in words is "nine million, thirty-eight thousand, nine hundred ninety".