6691044 has 24 divisors (see below), whose sum is σ = 15684480. Its totient is φ = 2220064.

The previous prime is 6691039. The next prime is 6691049. The reversal of 6691044 is 4401966.

It is an interprime number because it is at equal distance from previous prime (6691039) and next prime (6691049).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6691049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1702 + ... + 4034.

It is an arithmetic number, because the mean of its divisors is an integer number (653520).

Almost surely, 2^6691044 is an apocalyptic number.

It is an amenable number.

6691044 is an abundant number, since it is smaller than the sum of its proper divisors (8993436).

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

6691044 is a wasteful number, since it uses less digits than its factorization.

6691044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579 (or 2577 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 6691044 is about 2586.7052402622. The cubic root of 6691044 is about 188.4363262250.

The spelling of 6691044 in words is "six million, six hundred ninety-one thousand, forty-four".