9036891 has 12 divisors (see below), whose sum is σ = 13107432. Its totient is φ = 5999616.

The previous prime is 9036887. The next prime is 9036901. The reversal of 9036891 is 1986309.

9036891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9036891 - 2² = 9036887 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9036821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360 + ... + 4266.

It is an arithmetic number, because the mean of its divisors is an integer number (1092286).

Almost surely, 2^9036891 is an apocalyptic number.

9036891 is a deficient number, since it is larger than the sum of its proper divisors (4070541).

9036891 is a wasteful number, since it uses less digits than its factorization.

9036891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170 (or 4167 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 9036891 is about 3006.1422122049. The cubic root of 9036891 is about 208.2922036495.

The spelling of 9036891 in words is "nine million, thirty-six thousand, eight hundred ninety-one".