6204440 has 64 divisors (see below), whose sum is σ = 15552000. Its totient is φ = 2208640.

The previous prime is 6204437. The next prime is 6204461. The reversal of 6204440 is 444026.

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

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 25841 + ... + 26079.

It is an arithmetic number, because the mean of its divisors is an integer number (243000).

Almost surely, 2^6204440 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 6204440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7776000).

6204440 is an abundant number, since it is smaller than the sum of its proper divisors (9347560).

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

6204440 is a wasteful number, since it uses less digits than its factorization.

6204440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 316 counting only the distinct ones).

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

The square root of 6204440 is about 2490.8713334895. The cubic root of 6204440 is about 183.7528976667.

Adding to 6204440 its reverse (444026), we get a palindrome (6648466).

The spelling of 6204440 in words is "six million, two hundred four thousand, four hundred forty".