10685657 has 4 divisors (see below), whose sum is σ = 11248080. Its totient is φ = 10123236.

The previous prime is 10685651. The next prime is 10685671. The reversal of 10685657 is 75658601.

It is a happy number.

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 10685657 - 2⁴ = 10685641 is a prime.

It is a super-2 number, since 2×10685657² = 228366531043298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10685657.

It is not an unprimeable number, because it can be changed into a prime (10685651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281183 + ... + 281220.

It is an arithmetic number, because the mean of its divisors is an integer number (2812020).

Almost surely, 2^10685657 is an apocalyptic number.

It is an amenable number.

10685657 is a deficient number, since it is larger than the sum of its proper divisors (562423).

10685657 is an equidigital number, since it uses as much as digits as its factorization.

10685657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562422.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 10685657 is about 3268.8923200375. The cubic root of 10685657 is about 220.2590406011.

The spelling of 10685657 in words is "ten million, six hundred eighty-five thousand, six hundred fifty-seven".