2280890 has 16 divisors (see below), whose sum is σ = 4347432. Its totient is φ = 858624.

The previous prime is 2280869. The next prime is 2280899. The reversal of 2280890 is 980822.

It can be written as a sum of positive squares in 4 ways, for example, as 1968409 + 312481 = 1403^2 + 559^2 .

It is not an unprimeable number, because it can be changed into a prime (2280899) 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, 6539 + ... + 6878.

2^2280890 is an apocalyptic number.

2280890 is a deficient number, since it is larger than the sum of its proper divisors (2066542).

2280890 is a wasteful number, since it uses less digits than its factorization.

2280890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13441.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 2280890 is about 1510.2615667493. The cubic root of 2280890 is about 131.6340106661.

The spelling of 2280890 in words is "two million, two hundred eighty thousand, eight hundred ninety".