6892139 has 4 divisors (see below), whose sum is σ = 6960480. Its totient is φ = 6823800.

The previous prime is 6892133. The next prime is 6892159. The reversal of 6892139 is 9312986.

6892139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6892139 - 2⁸ = 6891883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6892133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34019 + ... + 34220.

It is an arithmetic number, because the mean of its divisors is an integer number (1740120).

Almost surely, 2^6892139 is an apocalyptic number.

6892139 is a deficient number, since it is larger than the sum of its proper divisors (68341).

6892139 is a wasteful number, since it uses less digits than its factorization.

6892139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68340.

The product of its digits is 23328, while the sum is 38.

The square root of 6892139 is about 2625.2883651134. The cubic root of 6892139 is about 190.3055011343.

The spelling of 6892139 in words is "six million, eight hundred ninety-two thousand, one hundred thirty-nine".