1159916 has 12 divisors (see below), whose sum is σ = 2043888. Its totient is φ = 575952.

The previous prime is 1159909. The next prime is 1159919. The reversal of 1159916 is 6199511.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159919) 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, 296 + ... + 1551.

It is an arithmetic number, because the mean of its divisors is an integer number (170324).

2^1159916 is an apocalyptic number.

It is an amenable number.

1159916 is a deficient number, since it is larger than the sum of its proper divisors (883972).

1159916 is a wasteful number, since it uses less digits than its factorization.

1159916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008 (or 2006 counting only the distinct ones).

The product of its digits is 2430, while the sum is 32.

The square root of 1159916 is about 1076.9939646999. The cubic root of 1159916 is about 105.0692211738.

The spelling of 1159916 in words is "one million, one hundred fifty-nine thousand, nine hundred sixteen".