6691494 has 16 divisors (see below), whose sum is σ = 13455360. Its totient is φ = 2218440.

The previous prime is 6691493. The next prime is 6691501. The reversal of 6691494 is 4941966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6691493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1774 + ... + 4065.

It is an arithmetic number, because the mean of its divisors is an integer number (840960).

Almost surely, 2^6691494 is an apocalyptic number.

6691494 is an abundant number, since it is smaller than the sum of its proper divisors (6763866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6691494 is a wasteful number, since it uses less digits than its factorization.

6691494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035.

The product of its digits is 46656, while the sum is 39.

The square root of 6691494 is about 2586.7922220387. The cubic root of 6691494 is about 188.4405505008.

The spelling of 6691494 in words is "six million, six hundred ninety-one thousand, four hundred ninety-four".