2400456 has 16 divisors (see below), whose sum is σ = 6001200. Its totient is φ = 800144.

The previous prime is 2400413. The next prime is 2400469. The reversal of 2400456 is 6540042.

It is a happy number.

2400456 is nontrivially palindromic in base 7.

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 3 ways as a sum of consecutive naturals, for example, 49986 + ... + 50033.

It is an arithmetic number, because the mean of its divisors is an integer number (375075).

2^2400456 is an apocalyptic number.

It is an amenable number.

2400456 is an abundant number, since it is smaller than the sum of its proper divisors (3600744).

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

2400456 is a wasteful number, since it uses less digits than its factorization.

2400456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100028 (or 100024 counting only the distinct ones).

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

The square root of 2400456 is about 1549.3405048601. The cubic root of 2400456 is about 133.8950689635.

Adding to 2400456 its reverse (6540042), we get a palindrome (8940498).

The spelling of 2400456 in words is "two million, four hundred thousand, four hundred fifty-six".