108898849 has 4 divisors (see below), whose sum is σ = 109069380. Its totient is φ = 108728320.

The previous prime is 108898843. The next prime is 108898879. The reversal of 108898849 is 948898801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 948898801 = 2663 ⋅356327.

It can be written as a sum of positive squares in 2 ways, for example, as 57274624 + 51624225 = 7568^2 + 7185^2 .

It is a cyclic number.

It is not a de Polignac number, because 108898849 - 2²¹ = 106801697 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 108898849.

It is not an unprimeable number, because it can be changed into a prime (108898843) 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, 84304 + ... + 85585.

It is an arithmetic number, because the mean of its divisors is an integer number (27267345).

Almost surely, 2^108898849 is an apocalyptic number.

It is an amenable number.

108898849 is a deficient number, since it is larger than the sum of its proper divisors (170531).

108898849 is an equidigital number, since it uses as much as digits as its factorization.

108898849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170530.

The product of its (nonzero) digits is 1327104, while the sum is 55.

The square root of 108898849 is about 10435.4611302041. The cubic root of 108898849 is about 477.5378097487.

The spelling of 108898849 in words is "one hundred eight million, eight hundred ninety-eight thousand, eight hundred forty-nine".