1163992 has 16 divisors (see below), whose sum is σ = 2210040. Its totient is φ = 574656.

The previous prime is 1163989. The next prime is 1163993. The reversal of 1163992 is 2993611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163993) 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, 213 + ... + 1540.

2^1163992 is an apocalyptic number.

It is an amenable number.

1163992 is a deficient number, since it is larger than the sum of its proper divisors (1046048).

1163992 is a wasteful number, since it uses less digits than its factorization.

1163992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842 (or 1838 counting only the distinct ones).

The product of its digits is 2916, while the sum is 31.

The square root of 1163992 is about 1078.8846092145. The cubic root of 1163992 is about 105.1921500405.

The spelling of 1163992 in words is "one million, one hundred sixty-three thousand, nine hundred ninety-two".