1161584 has 20 divisors (see below), whose sum is σ = 2369640. Its totient is φ = 550080.

The previous prime is 1161581. The next prime is 1161599. The reversal of 1161584 is 4851611.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161581) 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, 1607 + ... + 2214.

It is an arithmetic number, because the mean of its divisors is an integer number (118482).

2^1161584 is an apocalyptic number.

It is an amenable number.

1161584 is an abundant number, since it is smaller than the sum of its proper divisors (1208056).

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

1161584 is a wasteful number, since it uses less digits than its factorization.

1161584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848 (or 3842 counting only the distinct ones).

The product of its digits is 960, while the sum is 26.

The square root of 1161584 is about 1077.7680641028. The cubic root of 1161584 is about 105.1195614628.

The spelling of 1161584 in words is "one million, one hundred sixty-one thousand, five hundred eighty-four".