108731424 has 48 divisors (see below), whose sum is σ = 288066240. Its totient is φ = 35907840.

The previous prime is 108731417. The next prime is 108731429. The reversal of 108731424 is 424137801.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 108731391 and 108731400.

It is not an unprimeable number, because it can be changed into a prime (108731429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5269 + ... + 15659.

It is an arithmetic number, because the mean of its divisors is an integer number (6001380).

Almost surely, 2^108731424 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 108731424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144033120).

108731424 is an abundant number, since it is smaller than the sum of its proper divisors (179334816).

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

108731424 is a wasteful number, since it uses less digits than its factorization.

108731424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10513 (or 10505 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 108731424 is about 10427.4361182411. The cubic root of 108731424 is about 477.2929562995.

The spelling of 108731424 in words is "one hundred eight million, seven hundred thirty-one thousand, four hundred twenty-four".