108384531 has 16 divisors (see below), whose sum is σ = 153603840. Its totient is φ = 67785120.

The previous prime is 108384527. The next prime is 108384539. The reversal of 108384531 is 135483801.

It is not a de Polignac number, because 108384531 - 2² = 108384527 is a prime.

It is a super-2 number, since 2×108384531² = 23494413120179922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108384492 and 108384501.

It is not an unprimeable number, because it can be changed into a prime (108384539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3360 + ... + 15101.

It is an arithmetic number, because the mean of its divisors is an integer number (9600240).

Almost surely, 2^108384531 is an apocalyptic number.

108384531 is a deficient number, since it is larger than the sum of its proper divisors (45219309).

108384531 is a wasteful number, since it uses less digits than its factorization.

108384531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18586.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 108384531 is about 10410.7891631711. The cubic root of 108384531 is about 476.7848358685.

The spelling of 108384531 in words is "one hundred eight million, three hundred eighty-four thousand, five hundred thirty-one".