1161886 has 8 divisors (see below), whose sum is σ = 1901304. Its totient is φ = 528120.

The previous prime is 1161883. The next prime is 1161893. The reversal of 1161886 is 6881611.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161883) 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, 26385 + ... + 26428.

It is an arithmetic number, because the mean of its divisors is an integer number (237663).

2^1161886 is an apocalyptic number.

1161886 is a deficient number, since it is larger than the sum of its proper divisors (739418).

1161886 is a wasteful number, since it uses less digits than its factorization.

1161886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52826.

The product of its digits is 2304, while the sum is 31.

The square root of 1161886 is about 1077.9081593531. The cubic root of 1161886 is about 105.1286706783.

It can be divided in two parts, 116 and 1886, that added together give a palindrome (2002).

The spelling of 1161886 in words is "one million, one hundred sixty-one thousand, eight hundred eighty-six".