9038890 has 16 divisors (see below), whose sum is σ = 18594432. Its totient is φ = 3099024.

The previous prime is 9038881. The next prime is 9038891. The reversal of 9038890 is 988309.

It is not an unprimeable number, because it can be changed into a prime (9038891) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64494 + ... + 64633.

It is an arithmetic number, because the mean of its divisors is an integer number (1162152).

Almost surely, 2^9038890 is an apocalyptic number.

9038890 is an abundant number, since it is smaller than the sum of its proper divisors (9555542).

9038890 is a wasteful number, since it uses less digits than its factorization.

9038890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129141.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 9038890 is about 3006.4746797537. The cubic root of 9038890 is about 208.3075609008.

The spelling of 9038890 in words is "nine million, thirty-eight thousand, eight hundred ninety".