1086817 has 2 divisors, whose sum is σ = 1086818. Its totient is φ = 1086816.

The previous prime is 1086809. The next prime is 1086859. The reversal of 1086817 is 7186801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1083681 + 3136 = 1041^2 + 56^2 .

It is a cyclic number.

It is not a de Polignac number, because 1086817 - 2³ = 1086809 is a prime.

1086817 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1080817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543408 + 543409.

It is an arithmetic number, because the mean of its divisors is an integer number (543409).

2^1086817 is an apocalyptic number.

It is an amenable number.

1086817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086817 is an equidigital number, since it uses as much as digits as its factorization.

1086817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 1086817 is about 1042.5051558626. The cubic root of 1086817 is about 102.8139728265.

The spelling of 1086817 in words is "one million, eighty-six thousand, eight hundred seventeen".