6894342 has 128 divisors (see below), whose sum is σ = 19998720. Its totient is φ = 1710720.

The previous prime is 6894337. The next prime is 6894343. The reversal of 6894342 is 2434986.

It is a happy number.

It is a super-2 number, since 2×6894342² = 95063903225928, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6894297 and 6894306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6894343) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112992 + ... + 113052.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

Almost surely, 2^6894342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6894342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9999360).

6894342 is an abundant number, since it is smaller than the sum of its proper divisors (13104378).

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

6894342 is a wasteful number, since it uses less digits than its factorization.

6894342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 109 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 6894342 is about 2625.7079045469. The cubic root of 6894342 is about 190.3257753607.

The spelling of 6894342 in words is "six million, eight hundred ninety-four thousand, three hundred forty-two".