6869491 has 4 divisors (see below), whose sum is σ = 7106400. Its totient is φ = 6632584.

The previous prime is 6869461. The next prime is 6869521. The reversal of 6869491 is 1949686.

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

It is an interprime number because it is at equal distance from previous prime (6869461) and next prime (6869521).

It is a cyclic number.

It is not a de Polignac number, because 6869491 - 2⁵ = 6869459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6869441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118411 + ... + 118468.

It is an arithmetic number, because the mean of its divisors is an integer number (1776600).

Almost surely, 2^6869491 is an apocalyptic number.

6869491 is a deficient number, since it is larger than the sum of its proper divisors (236909).

6869491 is a wasteful number, since it uses less digits than its factorization.

6869491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236908.

The product of its digits is 93312, while the sum is 43.

The square root of 6869491 is about 2620.9713848114. The cubic root of 6869491 is about 190.0968204598.

The spelling of 6869491 in words is "six million, eight hundred sixty-nine thousand, four hundred ninety-one".