8722938 has 64 divisors (see below), whose sum is σ = 22256640. Its totient is φ = 2218752.

The previous prime is 8722913. The next prime is 8722949. The reversal of 8722938 is 8392278.

8722938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 8722896 and 8722905.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13245 + ... + 13887.

It is an arithmetic number, because the mean of its divisors is an integer number (347760).

Almost surely, 2^8722938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8722938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11128320).

8722938 is an abundant number, since it is smaller than the sum of its proper divisors (13533702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8722938 is a wasteful number, since it uses less digits than its factorization.

8722938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691.

The product of its digits is 48384, while the sum is 39.

The square root of 8722938 is about 2953.4620363228. The cubic root of 8722938 is about 205.8516070838.

The spelling of 8722938 in words is "eight million, seven hundred twenty-two thousand, nine hundred thirty-eight".