108903399 has 8 divisors (see below), whose sum is σ = 158404992. Its totient is φ = 66002040.

The previous prime is 108903359. The next prime is 108903401. The reversal of 108903399 is 993309801.

It is a happy number.

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

It is not a de Polignac number, because 108903399 - 2⁷ = 108903271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108903399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108903349) 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, 1650019 + ... + 1650084.

It is an arithmetic number, because the mean of its divisors is an integer number (19800624).

Almost surely, 2^108903399 is an apocalyptic number.

108903399 is a deficient number, since it is larger than the sum of its proper divisors (49501593).

108903399 is a wasteful number, since it uses less digits than its factorization.

108903399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300117.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 108903399 is about 10435.6791345844. The cubic root of 108903399 is about 477.5444604673.

The spelling of 108903399 in words is "one hundred eight million, nine hundred three thousand, three hundred ninety-nine".