1086997 has 8 divisors (see below), whose sum is σ = 1178496. Its totient is φ = 998592.

The previous prime is 1086991. The next prime is 1087001. The reversal of 1086997 is 7996801.

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

It is a cyclic number.

It is not a de Polignac number, because 1086997 - 2³ = 1086989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13 + ... + 1474.

It is an arithmetic number, because the mean of its divisors is an integer number (147312).

2^1086997 is an apocalyptic number.

1086997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1086997 is a deficient number, since it is larger than the sum of its proper divisors (91499).

1086997 is a wasteful number, since it uses less digits than its factorization.

1086997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 1086997 is about 1042.5914827966. The cubic root of 1086997 is about 102.8196485731.

The spelling of 1086997 in words is "one million, eighty-six thousand, nine hundred ninety-seven".