9139893 has 16 divisors (see below), whose sum is σ = 14661120. Its totient is φ = 4947696.

The previous prime is 9139883. The next prime is 9139927. The reversal of 9139893 is 3989319.

It is a happy number.

9139893 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9139893 - 2⁵ = 9139861 is a prime.

9139893 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9139853) 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, 11055 + ... + 11852.

It is an arithmetic number, because the mean of its divisors is an integer number (916320).

Almost surely, 2^9139893 is an apocalyptic number.

It is an amenable number.

9139893 is a deficient number, since it is larger than the sum of its proper divisors (5521227).

9139893 is a wasteful number, since it uses less digits than its factorization.

9139893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22936.

The product of its digits is 52488, while the sum is 42.

The square root of 9139893 is about 3023.2255952873. The cubic root of 9139893 is about 209.0805836856.

It can be divided in two parts, 913 and 9893, that multiplied together give a palindrome (9032309).

The spelling of 9139893 in words is "nine million, one hundred thirty-nine thousand, eight hundred ninety-three".