1165984 has 24 divisors (see below), whose sum is σ = 2328480. Its totient is φ = 574656.

The previous prime is 1165951. The next prime is 1165991. The reversal of 1165984 is 4895611.

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, 2437 + ... + 2875.

It is an arithmetic number, because the mean of its divisors is an integer number (97020).

2^1165984 is an apocalyptic number.

It is an amenable number.

1165984 is a deficient number, since it is larger than the sum of its proper divisors (1162496).

1165984 is an equidigital number, since it uses as much as digits as its factorization.

1165984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 524 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The square root of 1165984 is about 1079.8073902322. The cubic root of 1165984 is about 105.2521227730.

The spelling of 1165984 in words is "one million, one hundred sixty-five thousand, nine hundred eighty-four".