9036491 has 4 divisors (see below), whose sum is σ = 9171432. Its totient is φ = 8901552.

The previous prime is 9036481. The next prime is 9036509. The reversal of 9036491 is 1946309.

9036491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1946309 = 43 ⋅45263.

It is a cyclic number.

It is not a de Polignac number, because 9036491 - 2¹⁴ = 9020107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9036421) 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, 67370 + ... + 67503.

It is an arithmetic number, because the mean of its divisors is an integer number (2292858).

Almost surely, 2^9036491 is an apocalyptic number.

9036491 is a deficient number, since it is larger than the sum of its proper divisors (134941).

9036491 is a wasteful number, since it uses less digits than its factorization.

9036491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134940.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 9036491 is about 3006.0756810167. The cubic root of 9036491 is about 208.2891303908.

The spelling of 9036491 in words is "nine million, thirty-six thousand, four hundred ninety-one".