8385091 has 16 divisors (see below), whose sum is σ = 9934848. Its totient is φ = 6976800.

The previous prime is 8385073. The next prime is 8385101. The reversal of 8385091 is 1905838.

It is a cyclic number.

It is not a de Polignac number, because 8385091 - 2⁵ = 8385059 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8385001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27160 + ... + 27466.

It is an arithmetic number, because the mean of its divisors is an integer number (620928).

Almost surely, 2^8385091 is an apocalyptic number.

8385091 is a deficient number, since it is larger than the sum of its proper divisors (1549757).

8385091 is a wasteful number, since it uses less digits than its factorization.

8385091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 8385091 is about 2895.7021600987. The cubic root of 8385091 is about 203.1589346382.

It can be divided in two parts, 838 and 5091, that added together give a square (5929 = 77²).

The spelling of 8385091 in words is "eight million, three hundred eighty-five thousand, ninety-one".