6936669 has 6 divisors (see below), whose sum is σ = 10019646. Its totient is φ = 4624440.

The previous prime is 6936661. The next prime is 6936673. The reversal of 6936669 is 9666396.

It can be written as a sum of positive squares in only one way, i.e., 6827769 + 108900 = 2613^2 + 330^2 .

It is not a de Polignac number, because 6936669 - 2³ = 6936661 is a prime.

It is a super-2 number, since 2×6936669² = 96234753631122, which contains 22 as substring.

6936669 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6936661) 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 5 ways as a sum of consecutive naturals, for example, 385362 + ... + 385379.

It is an arithmetic number, because the mean of its divisors is an integer number (1669941).

Almost surely, 2^6936669 is an apocalyptic number.

It is an amenable number.

6936669 is a deficient number, since it is larger than the sum of its proper divisors (3082977).

6936669 is a wasteful number, since it uses less digits than its factorization.

6936669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770747 (or 770744 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The square root of 6936669 is about 2633.7556834300. The cubic root of 6936669 is about 190.7144752044.

The spelling of 6936669 in words is "six million, nine hundred thirty-six thousand, six hundred sixty-nine".