2309604 has 24 divisors (see below), whose sum is σ = 5879328. Its totient is φ = 699840.

The previous prime is 2309551. The next prime is 2309609. The reversal of 2309604 is 4069032.

It is a d-powerful number, because it can be written as 2¹⁵ + 3⁵ + 0 + 9⁶ + 6⁸ + 0 + 4⁸ .

It is not an unprimeable number, because it can be changed into a prime (2309609) 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, 8617 + ... + 8880.

It is an arithmetic number, because the mean of its divisors is an integer number (244972).

2^2309604 is an apocalyptic number.

It is an amenable number.

2309604 is an abundant number, since it is smaller than the sum of its proper divisors (3569724).

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

2309604 is a wasteful number, since it uses less digits than its factorization.

2309604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17515 (or 17513 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 2309604 is about 1519.7381353378. The cubic root of 2309604 is about 132.1840865887.

The spelling of 2309604 in words is "two million, three hundred nine thousand, six hundred four".