6897838 has 8 divisors (see below), whose sum is σ = 10796688. Its totient is φ = 3298944.

The previous prime is 6897829. The next prime is 6897857. The reversal of 6897838 is 8387986.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6897791 and 6897800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74931 + ... + 75022.

It is an arithmetic number, because the mean of its divisors is an integer number (1349586).

Almost surely, 2^6897838 is an apocalyptic number.

6897838 is a deficient number, since it is larger than the sum of its proper divisors (3898850).

6897838 is a wasteful number, since it uses less digits than its factorization.

6897838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149978.

The product of its digits is 580608, while the sum is 49.

The square root of 6897838 is about 2626.3735454044. The cubic root of 6897838 is about 190.3579402129.

The spelling of 6897838 in words is "six million, eight hundred ninety-seven thousand, eight hundred thirty-eight".