1040686 has 8 divisors (see below), whose sum is σ = 1597464. Its totient is φ = 508200.

The previous prime is 1040671. The next prime is 1040717. The reversal of 1040686 is 6860401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1040686.

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, 5965 + ... + 6136.

It is an arithmetic number, because the mean of its divisors is an integer number (199683).

2^1040686 is an apocalyptic number.

1040686 is a deficient number, since it is larger than the sum of its proper divisors (556778).

1040686 is a wasteful number, since it uses less digits than its factorization.

1040686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12146.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1040686 is about 1020.1401864450. The cubic root of 1040686 is about 101.3382120035.

It can be divided in two parts, 10406 and 86, that multiplied together give a square (894916 = 946²).

The spelling of 1040686 in words is "one million, forty thousand, six hundred eighty-six".