9623139 has 16 divisors (see below), whose sum is σ = 14302080. Its totient is φ = 5719680.

The previous prime is 9623137. The next prime is 9623147. The reversal of 9623139 is 9313269.

9623139 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 9623139 - 2¹ = 9623137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9623137) 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, 3997 + ... + 5934.

It is an arithmetic number, because the mean of its divisors is an integer number (893880).

Almost surely, 2^9623139 is an apocalyptic number.

9623139 is a deficient number, since it is larger than the sum of its proper divisors (4678941).

9623139 is a wasteful number, since it uses less digits than its factorization.

9623139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9970.

The product of its digits is 8748, while the sum is 33.

The square root of 9623139 is about 3102.1184696913. The cubic root of 9623139 is about 212.7023327770.

The spelling of 9623139 in words is "nine million, six hundred twenty-three thousand, one hundred thirty-nine".