6685347 has 4 divisors (see below), whose sum is σ = 8913800. Its totient is φ = 4456896.

The previous prime is 6685331. The next prime is 6685351. The reversal of 6685347 is 7435866.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6685347 - 2⁴ = 6685331 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6685307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114222 + ... + 1114227.

It is an arithmetic number, because the mean of its divisors is an integer number (2228450).

Almost surely, 2^6685347 is an apocalyptic number.

6685347 is a deficient number, since it is larger than the sum of its proper divisors (2228453).

6685347 is a wasteful number, since it uses less digits than its factorization.

6685347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228452.

The product of its digits is 120960, while the sum is 39.

The square root of 6685347 is about 2585.6037979551. The cubic root of 6685347 is about 188.3828305088.

The spelling of 6685347 in words is "six million, six hundred eighty-five thousand, three hundred forty-seven".