108699389 has 4 divisors (see below), whose sum is σ = 108752256. Its totient is φ = 108646524.

The previous prime is 108699379. The next prime is 108699413. The reversal of 108699389 is 983996801.

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: 983996801 = 103 ⋅9553367.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108699389 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 108699389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108699319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23219 + ... + 27504.

It is an arithmetic number, because the mean of its divisors is an integer number (27188064).

Almost surely, 2^108699389 is an apocalyptic number.

It is an amenable number.

108699389 is a deficient number, since it is larger than the sum of its proper divisors (52867).

108699389 is an equidigital number, since it uses as much as digits as its factorization.

108699389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52866.

The product of its (nonzero) digits is 839808, while the sum is 53.

The square root of 108699389 is about 10425.8999131969. The cubic root of 108699389 is about 477.2460775434.

The spelling of 108699389 in words is "one hundred eight million, six hundred ninety-nine thousand, three hundred eighty-nine".