2456400 has 120 divisors (see below), whose sum is σ = 8303040. Its totient is φ = 619520.

The previous prime is 2456383. The next prime is 2456401. The reversal of 2456400 is 46542.

It is a happy number.

2456400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2456401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27556 + ... + 27644.

It is an arithmetic number, because the mean of its divisors is an integer number (69192).

2^2456400 is an apocalyptic number.

2456400 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 2456400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4151520).

2456400 is an abundant number, since it is smaller than the sum of its proper divisors (5846640).

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

2456400 is a wasteful number, since it uses less digits than its factorization.

2456400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2456400 is about 1567.2906558772. The cubic root of 2456400 is about 134.9272584801.

The spelling of 2456400 in words is "two million, four hundred fifty-six thousand, four hundred".