2289490 has 16 divisors (see below), whose sum is σ = 4709952. Its totient is φ = 784944.

The previous prime is 2289473. The next prime is 2289503. The reversal of 2289490 is 949822.

It is a d-powerful number, because it can be written as 2¹³ + 2²¹ + 8³ + 9⁵ + 4⁸ + 9⁵ + 0 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16284 + ... + 16423.

It is an arithmetic number, because the mean of its divisors is an integer number (294372).

2^2289490 is an apocalyptic number.

2289490 is an abundant number, since it is smaller than the sum of its proper divisors (2420462).

2289490 is a wasteful number, since it uses less digits than its factorization.

2289490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32721.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2289490 is about 1513.1060769160. The cubic root of 2289490 is about 131.7992433427.

The spelling of 2289490 in words is "two million, two hundred eighty-nine thousand, four hundred ninety".