8671938 has 64 divisors (see below), whose sum is σ = 20528640. Its totient is φ = 2412800.

The previous prime is 8671937. The next prime is 8671967. The reversal of 8671938 is 8391768.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8671938.

It is not an unprimeable number, because it can be changed into a prime (8671937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66133 + ... + 66263.

It is an arithmetic number, because the mean of its divisors is an integer number (320760).

Almost surely, 2^8671938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8671938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10264320).

8671938 is an abundant number, since it is smaller than the sum of its proper divisors (11856702).

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

8671938 is a wasteful number, since it uses less digits than its factorization.

8671938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223.

The product of its digits is 72576, while the sum is 42.

The square root of 8671938 is about 2944.8154441323. The cubic root of 8671938 is about 205.4496416408.

The spelling of 8671938 in words is "eight million, six hundred seventy-one thousand, nine hundred thirty-eight".