1080686 has 4 divisors (see below), whose sum is σ = 1621032. Its totient is φ = 540342.

The previous prime is 1080683. The next prime is 1080713. The reversal of 1080686 is 6860801.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270170 + ... + 270173.

It is an arithmetic number, because the mean of its divisors is an integer number (405258).

2^1080686 is an apocalyptic number.

1080686 is a deficient number, since it is larger than the sum of its proper divisors (540346).

1080686 is an equidigital number, since it uses as much as digits as its factorization.

1080686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540345.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 1080686 is about 1039.5604840508. The cubic root of 1080686 is about 102.6202752306.

The spelling of 1080686 in words is "one million, eighty thousand, six hundred eighty-six".