6345438 has 32 divisors (see below), whose sum is σ = 14031360. Its totient is φ = 1896960.

The previous prime is 6345431. The next prime is 6345439. The reversal of 6345438 is 8345436.

6345438 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 6345399 and 6345408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6345431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4606 + ... + 5822.

It is an arithmetic number, because the mean of its divisors is an integer number (438480).

Almost surely, 2^6345438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6345438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7015680).

6345438 is an abundant number, since it is smaller than the sum of its proper divisors (7685922).

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

6345438 is a wasteful number, since it uses less digits than its factorization.

6345438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its digits is 34560, while the sum is 33.

The square root of 6345438 is about 2519.0152837964. The cubic root of 6345438 is about 185.1344335758.

The spelling of 6345438 in words is "six million, three hundred forty-five thousand, four hundred thirty-eight".