109504 has 28 divisors (see below), whose sum is σ = 228600. Its totient is φ = 51968.

The previous prime is 109481. The next prime is 109507. The reversal of 109504 is 405901.

109504 = T₂₉ + T₃₀ + ... + T₈₇.

It is a super-2 number, since 2×109504² = 23982252032, which contains 22 as substring.

109504 is a Rhonda number in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109507) 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, 1827 + ... + 1885.

2¹⁰⁹⁵⁰⁴ 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 109504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114300).

109504 is an abundant number, since it is smaller than the sum of its proper divisors (119096).

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

109504 is an equidigital number, since it uses as much as digits as its factorization.

109504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 109504 is about 330.9138860791. The cubic root of 109504 is about 47.8420735633.

The spelling of 109504 in words is "one hundred nine thousand, five hundred four".