6385657 has 4 divisors (see below), whose sum is σ = 6394240. Its totient is φ = 6377076.

The previous prime is 6385619. The next prime is 6385733. The reversal of 6385657 is 7565836.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6385657 - 2¹¹ = 6383609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6380657) 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, 3057 + ... + 4702.

It is an arithmetic number, because the mean of its divisors is an integer number (1598560).

Almost surely, 2^6385657 is an apocalyptic number.

It is an amenable number.

6385657 is a deficient number, since it is larger than the sum of its proper divisors (8583).

6385657 is an equidigital number, since it uses as much as digits as its factorization.

6385657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8582.

The product of its digits is 151200, while the sum is 40.

The square root of 6385657 is about 2526.9857538182. The cubic root of 6385657 is about 185.5247531284.

The spelling of 6385657 in words is "six million, three hundred eighty-five thousand, six hundred fifty-seven".