1086857 has 4 divisors (see below), whose sum is σ = 1144080. Its totient is φ = 1029636.

The previous prime is 1086817. The next prime is 1086859. The reversal of 1086857 is 7586801.

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 1086857 - 2¹² = 1082761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1086859) 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, 28583 + ... + 28620.

It is an arithmetic number, because the mean of its divisors is an integer number (286020).

2^1086857 is an apocalyptic number.

It is an amenable number.

1086857 is a deficient number, since it is larger than the sum of its proper divisors (57223).

1086857 is an equidigital number, since it uses as much as digits as its factorization.

1086857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57222.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 1086857 is about 1042.5243402434. The cubic root of 1086857 is about 102.8152341577.

The spelling of 1086857 in words is "one million, eighty-six thousand, eight hundred fifty-seven".