6252440 has 32 divisors (see below), whose sum is σ = 14284080. Its totient is φ = 2462592.

The previous prime is 6252427. The next prime is 6252443. The reversal of 6252440 is 442526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6252443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1514 + ... + 3846.

Almost surely, 2^6252440 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 6252440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7142040).

6252440 is an abundant number, since it is smaller than the sum of its proper divisors (8031640).

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

6252440 is a wasteful number, since it uses less digits than its factorization.

6252440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411 (or 2407 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 6252440 is about 2500.4879523805. The cubic root of 6252440 is about 184.2255425783.

Adding to 6252440 its reverse (442526), we get a palindrome (6694966).

The spelling of 6252440 in words is "six million, two hundred fifty-two thousand, four hundred forty".