8722940 has 12 divisors (see below), whose sum is σ = 18318216. Its totient is φ = 3489168.

The previous prime is 8722913. The next prime is 8722949. The reversal of 8722940 is 492278.

8722940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8722897 and 8722906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8722949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218054 + ... + 218093.

It is an arithmetic number, because the mean of its divisors is an integer number (1526518).

Almost surely, 2^8722940 is an apocalyptic number.

It is an amenable number.

8722940 is an abundant number, since it is smaller than the sum of its proper divisors (9595276).

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

8722940 is a wasteful number, since it uses less digits than its factorization.

8722940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436156 (or 436154 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 8722940 is about 2953.4623749085. The cubic root of 8722940 is about 205.8516228164.

The spelling of 8722940 in words is "eight million, seven hundred twenty-two thousand, nine hundred forty".