2312604 has 144 divisors (see below), whose sum is σ = 7660800. Its totient is φ = 598752.

The previous prime is 2312603. The next prime is 2312617. The reversal of 2312604 is 4062132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312603) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100537 + ... + 100559.

It is an arithmetic number, because the mean of its divisors is an integer number (53200).

2^2312604 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 2312604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3830400).

2312604 is an abundant number, since it is smaller than the sum of its proper divisors (5348196).

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

2312604 is a wasteful number, since it uses less digits than its factorization.

2312604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2312604 is about 1520.7248271795. The cubic root of 2312604 is about 132.2412941860.

Adding to 2312604 its reverse (4062132), we get a palindrome (6374736).

It can be divided in two parts, 2312 and 604, that added together give a square (2916 = 54²).

The spelling of 2312604 in words is "two million, three hundred twelve thousand, six hundred four".