1086564 has 12 divisors (see below), whose sum is σ = 2535344. Its totient is φ = 362184.

The previous prime is 1086559. The next prime is 1086587. The reversal of 1086564 is 4656801.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45262 + ... + 45285.

2^1086564 is an apocalyptic number.

It is an amenable number.

1086564 is an abundant number, since it is smaller than the sum of its proper divisors (1448780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1086564 is a wasteful number, since it uses less digits than its factorization.

1086564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90554 (or 90552 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1086564 is about 1042.3838064744. The cubic root of 1086564 is about 102.8059941899.

The spelling of 1086564 in words is "one million, eighty-six thousand, five hundred sixty-four".