6685136 has 10 divisors (see below), whose sum is σ = 12952482. Its totient is φ = 3342560.

The previous prime is 6685127. The next prime is 6685141. The reversal of 6685136 is 6315866.

It can be written as a sum of positive squares in only one way, i.e., 5107600 + 1577536 = 2260^2 + 1256^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6685096 and 6685105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208895 + ... + 208926.

Almost surely, 2^6685136 is an apocalyptic number.

It is an amenable number.

6685136 is a deficient number, since it is larger than the sum of its proper divisors (6267346).

6685136 is a wasteful number, since it uses less digits than its factorization.

6685136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417829 (or 417823 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 6685136 is about 2585.5629947847. The cubic root of 6685136 is about 188.3808486024.

The spelling of 6685136 in words is "six million, six hundred eighty-five thousand, one hundred thirty-six".