108847491 has 8 divisors (see below), whose sum is σ = 148505280. Its totient is φ = 70877352.

The previous prime is 108847471. The next prime is 108847493. The reversal of 108847491 is 194748801.

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

It is not a de Polignac number, because 108847491 - 2²¹ = 106750339 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (108847493) 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, 421761 + ... + 422018.

It is an arithmetic number, because the mean of its divisors is an integer number (18563160).

Almost surely, 2^108847491 is an apocalyptic number.

108847491 is a deficient number, since it is larger than the sum of its proper divisors (39657789).

108847491 is an equidigital number, since it uses as much as digits as its factorization.

108847491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843825.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 108847491 is about 10433.0000958497. Note that the first 4 decimals coincide. The cubic root of 108847491 is about 477.4627270962.

The spelling of 108847491 in words is "one hundred eight million, eight hundred forty-seven thousand, four hundred ninety-one".