6692391 has 12 divisors (see below), whose sum is σ = 9892168. Its totient is φ = 4357584.

The previous prime is 6692383. The next prime is 6692393. The reversal of 6692391 is 1932966.

It is not a de Polignac number, because 6692391 - 2³ = 6692383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6692393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8260 + ... + 9033.

Almost surely, 2^6692391 is an apocalyptic number.

6692391 is a deficient number, since it is larger than the sum of its proper divisors (3199777).

6692391 is a wasteful number, since it uses less digits than its factorization.

6692391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17342 (or 17339 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 6692391 is about 2586.9655969881. The cubic root of 6692391 is about 188.4489703256.

The spelling of 6692391 in words is "six million, six hundred ninety-two thousand, three hundred ninety-one".