1086491 has 8 divisors (see below), whose sum is σ = 1248480. Its totient is φ = 926208.

The previous prime is 1086469. The next prime is 1086493. The reversal of 1086491 is 1946801.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1086491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1086493) 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, 1595 + ... + 2171.

It is an arithmetic number, because the mean of its divisors is an integer number (156060).

2^1086491 is an apocalyptic number.

1086491 is a deficient number, since it is larger than the sum of its proper divisors (161989).

1086491 is an equidigital number, since it uses as much as digits as its factorization.

1086491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1086491 is about 1042.3487899931. The cubic root of 1086491 is about 102.8036918234.

The spelling of 1086491 in words is "one million, eighty-six thousand, four hundred ninety-one".