6244400 has 60 divisors (see below), whose sum is σ = 15291432. Its totient is φ = 2449920.

The previous prime is 6244391. The next prime is 6244429. The reversal of 6244400 is 44426.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26684 + ... + 26916.

Almost surely, 2^6244400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6244400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7645716).

6244400 is an abundant number, since it is smaller than the sum of its proper divisors (9047032).

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

6244400 is a wasteful number, since it uses less digits than its factorization.

6244400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 6244400 is about 2498.8797490075. The cubic root of 6244400 is about 184.1465436223.

Adding to 6244400 its reverse (44426), we get a palindrome (6288826).

The spelling of 6244400 in words is "six million, two hundred forty-four thousand, four hundred".