1161836 has 12 divisors (see below), whose sum is σ = 2189712. Its totient is φ = 536208.

The previous prime is 1161833. The next prime is 1161841. The reversal of 1161836 is 6381611.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1161833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11120 + ... + 11223.

It is an arithmetic number, because the mean of its divisors is an integer number (182476).

2^1161836 is an apocalyptic number.

It is an amenable number.

1161836 is a deficient number, since it is larger than the sum of its proper divisors (1027876).

1161836 is a wasteful number, since it uses less digits than its factorization.

1161836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22360 (or 22358 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 1161836 is about 1077.8849660330. The cubic root of 1161836 is about 105.1271626391.

The spelling of 1161836 in words is "one million, one hundred sixty-one thousand, eight hundred thirty-six".