108809437 has 8 divisors (see below), whose sum is σ = 118857312. Its totient is φ = 98787600.

The previous prime is 108809429. The next prime is 108809443. The reversal of 108809437 is 734908801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108809437 - 2³ = 108809429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108809437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108809497) 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, 2823 + ... + 15019.

It is an arithmetic number, because the mean of its divisors is an integer number (14857164).

Almost surely, 2^108809437 is an apocalyptic number.

It is an amenable number.

108809437 is a deficient number, since it is larger than the sum of its proper divisors (10047875).

108809437 is a wasteful number, since it uses less digits than its factorization.

108809437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13019.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 108809437 is about 10431.1762040529. The cubic root of 108809437 is about 477.4070789465.

The spelling of 108809437 in words is "one hundred eight million, eight hundred nine thousand, four hundred thirty-seven".