1086144 has 28 divisors (see below), whose sum is σ = 2874264. Its totient is φ = 361984.

The previous prime is 1086139. The next prime is 1086149. The reversal of 1086144 is 4416801.

It is an interprime number because it is at equal distance from previous prime (1086139) and next prime (1086149).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1086149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2637 + ... + 3020.

2^1086144 is an apocalyptic number.

It is an amenable number.

1086144 is an abundant number, since it is smaller than the sum of its proper divisors (1788120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1086144 is an equidigital number, since it uses as much as digits as its factorization.

1086144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672 (or 5662 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1086144 is about 1042.1823256993. The cubic root of 1086144 is about 102.7927462873.

The spelling of 1086144 in words is "one million, eighty-six thousand, one hundred forty-four".