4561400 has 24 divisors (see below), whose sum is σ = 10605720. Its totient is φ = 1824480.

The previous prime is 4561399. The next prime is 4561409. The reversal of 4561400 is 41654.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11204 + ... + 11603.

It is an arithmetic number, because the mean of its divisors is an integer number (441905).

Almost surely, 2^4561400 is an apocalyptic number.

4561400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4561400 is an abundant number, since it is smaller than the sum of its proper divisors (6044320).

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

4561400 is a wasteful number, since it uses less digits than its factorization.

4561400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22823 (or 22814 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4561400 is about 2135.7434302837. The cubic root of 4561400 is about 165.8438556884.

The spelling of 4561400 in words is "four million, five hundred sixty-one thousand, four hundred".