1161996 has 24 divisors (see below), whose sum is σ = 2958144. Its totient is φ = 352080.

The previous prime is 1161991. The next prime is 1161997. The reversal of 1161996 is 6991611.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1161991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4270 + ... + 4533.

It is an arithmetic number, because the mean of its divisors is an integer number (123256).

2^1161996 is an apocalyptic number.

It is an amenable number.

1161996 is an abundant number, since it is smaller than the sum of its proper divisors (1796148).

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

1161996 is a wasteful number, since it uses less digits than its factorization.

1161996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8821 (or 8819 counting only the distinct ones).

The product of its digits is 2916, while the sum is 33.

The square root of 1161996 is about 1077.9591829007. The cubic root of 1161996 is about 105.1319882123.

It can be divided in two parts, 116 and 1996, that added together give a palindrome (2112).

The spelling of 1161996 in words is "one million, one hundred sixty-one thousand, nine hundred ninety-six".