2245904 has 40 divisors (see below), whose sum is σ = 4821120. Its totient is φ = 1008128.

The previous prime is 2245889. The next prime is 2245931. The reversal of 2245904 is 4095422.

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, 6077 + ... + 6435.

It is an arithmetic number, because the mean of its divisors is an integer number (120528).

2^2245904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2245904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2410560).

2245904 is an abundant number, since it is smaller than the sum of its proper divisors (2575216).

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

2245904 is a wasteful number, since it uses less digits than its factorization.

2245904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2245904 is about 1498.6340447221. The cubic root of 2245904 is about 130.9575061754.

The spelling of 2245904 in words is "two million, two hundred forty-five thousand, nine hundred four".