1155896 has 16 divisors (see below), whose sum is σ = 2477040. Its totient is φ = 495360.

The previous prime is 1155863. The next prime is 1155899. The reversal of 1155896 is 6985511.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155899) 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, 10265 + ... + 10376.

It is an arithmetic number, because the mean of its divisors is an integer number (154815).

2^1155896 is an apocalyptic number.

It is an amenable number.

1155896 is an abundant number, since it is smaller than the sum of its proper divisors (1321144).

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

1155896 is a wasteful number, since it uses less digits than its factorization.

1155896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20654 (or 20650 counting only the distinct ones).

The product of its digits is 10800, while the sum is 35.

The square root of 1155896 is about 1075.1260391229. The cubic root of 1155896 is about 104.9476988205.

The spelling of 1155896 in words is "one million, one hundred fifty-five thousand, eight hundred ninety-six".