8109504 has 168 divisors, whose sum is σ = 27096720. Its totient is φ = 2363904.

The previous prime is 8109503. The next prime is 8109511. The reversal of 8109504 is 4059018.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8109503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426807 + ... + 426825.

It is an arithmetic number, because the mean of its divisors is an integer number (161290).

Almost surely, 2^8109504 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 8109504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13548360).

8109504 is an abundant number, since it is smaller than the sum of its proper divisors (18987216).

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

8109504 is a wasteful number, since it uses less digits than its factorization.

8109504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 8109504 is about 2847.7190872697. The cubic root of 8109504 is about 200.9084011236.

The spelling of 8109504 in words is "eight million, one hundred nine thousand, five hundred four".