10861685 has 4 divisors (see below), whose sum is σ = 13034028. Its totient is φ = 8689344.

The previous prime is 10861663. The next prime is 10861693. The reversal of 10861685 is 58616801.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5870929 + 4990756 = 2423^2 + 2234^2 .

It is a cyclic number.

It is not a de Polignac number, because 10861685 - 2⁸ = 10861429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1086164 + ... + 1086173.

It is an arithmetic number, because the mean of its divisors is an integer number (3258507).

Almost surely, 2^10861685 is an apocalyptic number.

It is an amenable number.

10861685 is a deficient number, since it is larger than the sum of its proper divisors (2172343).

10861685 is an equidigital number, since it uses as much as digits as its factorization.

10861685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172342.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 10861685 is about 3295.7070561565. The cubic root of 10861685 is about 221.4619236219.

The spelling of 10861685 in words is "ten million, eight hundred sixty-one thousand, six hundred eighty-five".