108381869 has 4 divisors (see below), whose sum is σ = 108446496. Its totient is φ = 108317244.

The previous prime is 108381857. The next prime is 108381877. The reversal of 108381869 is 968183801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108381869 is a prime.

It is a super-2 number, since 2×108381869² = 23493259055866322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108381829) 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, 29729 + ... + 33174.

It is an arithmetic number, because the mean of its divisors is an integer number (27111624).

Almost surely, 2^108381869 is an apocalyptic number.

It is an amenable number.

108381869 is a deficient number, since it is larger than the sum of its proper divisors (64627).

108381869 is an equidigital number, since it uses as much as digits as its factorization.

108381869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64626.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 108381869 is about 10410.6613142490. The cubic root of 108381869 is about 476.7809324467.

The spelling of 108381869 in words is "one hundred eight million, three hundred eighty-one thousand, eight hundred sixty-nine".