6918394 has 32 divisors (see below), whose sum is σ = 12902400. Its totient is φ = 2715120.

The previous prime is 6918391. The next prime is 6918397. The reversal of 6918394 is 4938196.

It is an interprime number because it is at equal distance from previous prime (6918391) and next prime (6918397).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6918391) 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, 7827 + ... + 8665.

It is an arithmetic number, because the mean of its divisors is an integer number (403200).

Almost surely, 2^6918394 is an apocalyptic number.

6918394 is a deficient number, since it is larger than the sum of its proper divisors (5984006).

6918394 is a wasteful number, since it uses less digits than its factorization.

6918394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898.

The product of its digits is 46656, while the sum is 40.

The square root of 6918394 is about 2630.2840150828. The cubic root of 6918394 is about 190.5468456471.

The spelling of 6918394 in words is "six million, nine hundred eighteen thousand, three hundred ninety-four".