2259604 has 12 divisors (see below), whose sum is σ = 3977428. Its totient is φ = 1123200.

The previous prime is 2259601. The next prime is 2259629. The reversal of 2259604 is 4069522.

It can be written as a sum of positive squares in 2 ways, for example, as 9604 + 2250000 = 98^2 + 1500^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837 + ... + 2284.

2^2259604 is an apocalyptic number.

It is an amenable number.

2259604 is a deficient number, since it is larger than the sum of its proper divisors (1717824).

2259604 is a wasteful number, since it uses less digits than its factorization.

2259604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306 (or 3304 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2259604 is about 1503.1979244265. The cubic root of 2259604 is about 131.2232465501.

It can be divided in two parts, 225960 and 4, that multiplied together give a triangular number (903840 = T₁₃₄₄).

The spelling of 2259604 in words is "two million, two hundred fifty-nine thousand, six hundred four".