6204640 has 96 divisors (see below), whose sum is σ = 16722720. Its totient is φ = 2156544.

The previous prime is 6204629. The next prime is 6204661. The reversal of 6204640 is 464026.

6204640 = T₈₉ + T₉₀ + ... + T₃₃₅.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39442 + ... + 39598.

It is an arithmetic number, because the mean of its divisors is an integer number (174195).

Almost surely, 2^6204640 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 6204640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8361360).

6204640 is an abundant number, since it is smaller than the sum of its proper divisors (10518080).

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

6204640 is a wasteful number, since it uses less digits than its factorization.

6204640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 6204640 is about 2490.9114797600. The cubic root of 6204640 is about 183.7548720691.

Adding to 6204640 its reverse (464026), we get a palindrome (6668666).

The spelling of 6204640 in words is "six million, two hundred four thousand, six hundred forty".