4421400 has 48 divisors (see below), whose sum is σ = 13708200. Its totient is φ = 1178880.

The previous prime is 4421371. The next prime is 4421407. The reversal of 4421400 is 41244.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 4421400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421407) 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 11 ways as a sum of consecutive naturals, for example, 3085 + ... + 4284.

Almost surely, 2^4421400 is an apocalyptic number.

4421400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4421400 is an abundant number, since it is smaller than the sum of its proper divisors (9286800).

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

4421400 is a wasteful number, since it uses less digits than its factorization.

4421400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7388 (or 7379 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 4421400 is about 2102.7125338476. The cubic root of 4421400 is about 164.1294833060.

Adding to 4421400 its reverse (41244), we get a palindrome (4462644).

The spelling of 4421400 in words is "four million, four hundred twenty-one thousand, four hundred".