9040890 has 16 divisors (see below), whose sum is σ = 21698208. Its totient is φ = 2410896.

The previous prime is 9040883. The next prime is 9040891. The reversal of 9040890 is 980409.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 301363 = 9040890 / (9 + 0 + 4 + 0 + 8 + 9 + 0).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9040891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150652 + ... + 150711.

It is an arithmetic number, because the mean of its divisors is an integer number (1356138).

Almost surely, 2^9040890 is an apocalyptic number.

9040890 is an abundant number, since it is smaller than the sum of its proper divisors (12657318).

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

9040890 is a wasteful number, since it uses less digits than its factorization.

9040890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301373.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 9040890 is about 3006.8072768304. The cubic root of 9040890 is about 208.3229235688.

The spelling of 9040890 in words is "nine million, forty thousand, eight hundred ninety".