108198869 has 4 divisors (see below), whose sum is σ = 108675744. Its totient is φ = 107721996.

The previous prime is 108198859. The next prime is 108198907. The reversal of 108198869 is 968891801.

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, and also an emirpimes, since its reverse is a distinct semiprime: 968891801 = 547 ⋅1771283.

It is a cyclic number.

It is not a de Polignac number, because 108198869 - 2⁸ = 108198613 is a prime.

It is a super-2 number, since 2×108198869² = 23413990505758322, 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 (108198809) 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, 238097 + ... + 238550.

It is an arithmetic number, because the mean of its divisors is an integer number (27168936).

Almost surely, 2^108198869 is an apocalyptic number.

It is an amenable number.

108198869 is a deficient number, since it is larger than the sum of its proper divisors (476875).

108198869 is an equidigital number, since it uses as much as digits as its factorization.

108198869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476874.

The product of its (nonzero) digits is 248832, while the sum is 50.

The square root of 108198869 is about 10401.8685340664. The cubic root of 108198869 is about 476.5124371576.

The spelling of 108198869 in words is "one hundred eight million, one hundred ninety-eight thousand, eight hundred sixty-nine".