2280090 has 16 divisors (see below), whose sum is σ = 5472288. Its totient is φ = 608016.

The previous prime is 2280079. The next prime is 2280097. The reversal of 2280090 is 900822.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2280097) 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, 37972 + ... + 38031.

It is an arithmetic number, because the mean of its divisors is an integer number (342018).

2^2280090 is an apocalyptic number.

2280090 is an abundant number, since it is smaller than the sum of its proper divisors (3192198).

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

2280090 is a wasteful number, since it uses less digits than its factorization.

2280090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76013.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2280090 is about 1509.9966887381. The cubic root of 2280090 is about 131.6186190832.

The spelling of 2280090 in words is "two million, two hundred eighty thousand, ninety".