8922639 has 16 divisors (see below), whose sum is σ = 13086720. Its totient is φ = 5362560.

The previous prime is 8922611. The next prime is 8922649. The reversal of 8922639 is 9362298.

8922639 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 8922639 - 2⁵ = 8922607 is a prime.

It is a super-4 number, since 4×8922639⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 8922597 and 8922606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8922649) 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, 3127 + ... + 5255.

It is an arithmetic number, because the mean of its divisors is an integer number (817920).

Almost surely, 2^8922639 is an apocalyptic number.

8922639 is a deficient number, since it is larger than the sum of its proper divisors (4164081).

8922639 is a wasteful number, since it uses less digits than its factorization.

8922639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270.

The product of its digits is 46656, while the sum is 39.

The square root of 8922639 is about 2987.0786732190. The cubic root of 8922639 is about 207.4106762197.

The spelling of 8922639 in words is "eight million, nine hundred twenty-two thousand, six hundred thirty-nine".