108942891 has 8 divisors (see below), whose sum is σ = 145305600. Its totient is φ = 72604392.

The previous prime is 108942839. The next prime is 108942893. The reversal of 108942891 is 198249801.

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

It is not a de Polignac number, because 108942891 - 2¹⁰ = 108941867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108942893) 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, 13210 + ... + 19808.

It is an arithmetic number, because the mean of its divisors is an integer number (18163200).

Almost surely, 2^108942891 is an apocalyptic number.

108942891 is a deficient number, since it is larger than the sum of its proper divisors (36362709).

108942891 is an equidigital number, since it uses as much as digits as its factorization.

108942891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12105.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 108942891 is about 10437.5711255062. The cubic root of 108942891 is about 477.6021780004.

The spelling of 108942891 in words is "one hundred eight million, nine hundred forty-two thousand, eight hundred ninety-one".