6649677 has 24 divisors (see below), whose sum is σ = 10393760. Its totient is φ = 4082400.

The previous prime is 6649661. The next prime is 6649681. The reversal of 6649677 is 7769466.

It is not a de Polignac number, because 6649677 - 2⁴ = 6649661 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6649627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5802 + ... + 6852.

Almost surely, 2^6649677 is an apocalyptic number.

It is an amenable number.

6649677 is a deficient number, since it is larger than the sum of its proper divisors (3744083).

6649677 is a wasteful number, since it uses less digits than its factorization.

6649677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1110 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 6649677 is about 2578.6967638712. The cubic root of 6649677 is about 188.0471908846.

The spelling of 6649677 in words is "six million, six hundred forty-nine thousand, six hundred seventy-seven".