2300840 has 32 divisors (see below), whose sum is σ = 5239080. Its totient is φ = 909312.

The previous prime is 2300839. The next prime is 2300861. The reversal of 2300840 is 480032.

2300840 = 195² + 196² + ... + 242².

It can be written as a sum of positive squares in 4 ways, for example, as 1898884 + 401956 = 1378^2 + 634^2 .

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, 3584 + ... + 4176.

2^2300840 is an apocalyptic number.

2300840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2300840 is an abundant number, since it is smaller than the sum of its proper divisors (2938240).

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

2300840 is a wasteful number, since it uses less digits than its factorization.

2300840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2300840 is about 1516.8520033279. The cubic root of 2300840 is about 132.0166798634.

Adding to 2300840 its product of nonzero digits (192), we get a palindrome (2301032).

Adding to 2300840 its reverse (480032), we get a palindrome (2780872).

The spelling of 2300840 in words is "two million, three hundred thousand, eight hundred forty".