9140863 has 2 divisors, whose sum is σ = 9140864. Its totient is φ = 9140862.

The previous prime is 9140861. The next prime is 9140893. The reversal of 9140863 is 3680419.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9140863 - 2¹ = 9140861 is a prime.

Together with 9140861, it forms a pair of twin primes.

It is an Ulam number.

9140863 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9140861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4570431 + 4570432.

It is an arithmetic number, because the mean of its divisors is an integer number (4570432).

Almost surely, 2^9140863 is an apocalyptic number.

9140863 is a deficient number, since it is larger than the sum of its proper divisors (1).

9140863 is an equidigital number, since it uses as much as digits as its factorization.

9140863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 9140863 is about 3023.3860157115. The cubic root of 9140863 is about 209.0879798696.

The spelling of 9140863 in words is "nine million, one hundred forty thousand, eight hundred sixty-three".