6238440 has 192 divisors, whose sum is σ = 23063040. Its totient is φ = 1451520.

The previous prime is 6238433. The next prime is 6238457. The reversal of 6238440 is 448326.

6238440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145059 + ... + 145101.

It is an arithmetic number, because the mean of its divisors is an integer number (120120).

Almost surely, 2^6238440 is an apocalyptic number.

6238440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6238440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11531520).

6238440 is an abundant number, since it is smaller than the sum of its proper divisors (16824600).

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

6238440 is a wasteful number, since it uses less digits than its factorization.

6238440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 6238440 is about 2497.6869299414. The cubic root of 6238440 is about 184.0879384315.

The spelling of 6238440 in words is "six million, two hundred thirty-eight thousand, four hundred forty".