8123904 has 120 divisors (see below), whose sum is σ = 24576552. Its totient is φ = 2580480.

The previous prime is 8123897. The next prime is 8123917. The reversal of 8123904 is 4093218.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188907 + ... + 188949.

Almost surely, 2^8123904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8123904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12288276).

8123904 is an abundant number, since it is smaller than the sum of its proper divisors (16452648).

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

8123904 is a wasteful number, since it uses less digits than its factorization.

8123904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 8123904 is about 2850.2463051463. The cubic root of 8123904 is about 201.0272481067.

The spelling of 8123904 in words is "eight million, one hundred twenty-three thousand, nine hundred four".