2320400 has 30 divisors (see below), whose sum is σ = 5575722. Its totient is φ = 928000.

The previous prime is 2320399. The next prime is 2320421. The reversal of 2320400 is 40232.

It can be written as a sum of positive squares in 3 ways, for example, as 692224 + 1628176 = 832^2 + 1276^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2501 + ... + 3300.

2^2320400 is an apocalyptic number.

2320400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320400 is an abundant number, since it is smaller than the sum of its proper divisors (3255322).

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

2320400 is a wasteful number, since it uses less digits than its factorization.

2320400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5819 (or 5808 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 2320400 is about 1523.2859219464. The cubic root of 2320400 is about 132.3897266911.

Adding to 2320400 its reverse (40232), we get a palindrome (2360632).

The spelling of 2320400 in words is "two million, three hundred twenty thousand, four hundred".