2325640 has 32 divisors (see below), whose sum is σ = 5336280. Its totient is φ = 911872.

The previous prime is 2325629. The next prime is 2325647. The reversal of 2325640 is 465232.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1865956 + 459684 = 1366^2 + 678^2 .

It is not an unprimeable number, because it can be changed into a prime (2325647) 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, 1572 + ... + 2668.

2^2325640 is an apocalyptic number.

2325640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2325640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2668140).

2325640 is an abundant number, since it is smaller than the sum of its proper divisors (3010640).

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

2325640 is a wasteful number, since it uses less digits than its factorization.

2325640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2325640 is about 1525.0049180249. The cubic root of 2325640 is about 132.4893073132.

The spelling of 2325640 in words is "two million, three hundred twenty-five thousand, six hundred forty".