108628839 has 36 divisors (see below), whose sum is σ = 180009648. Its totient is φ = 62958720.

The previous prime is 108628837. The next prime is 108628859. The reversal of 108628839 is 938826801.

108628839 is a `hidden beast` number, since 10 + 8 + 628 + 8 + 3 + 9 = 666.

It is not a de Polignac number, because 108628839 - 2¹ = 108628837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108628794 and 108628803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108628831) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22879 + ... + 27215.

It is an arithmetic number, because the mean of its divisors is an integer number (5000268).

Almost surely, 2^108628839 is an apocalyptic number.

108628839 is a deficient number, since it is larger than the sum of its proper divisors (71380809).

108628839 is a wasteful number, since it uses less digits than its factorization.

108628839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388 (or 4374 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 108628839 is about 10422.5159630485. The cubic root of 108628839 is about 477.1428049675.

It can be divided in two parts, 10862 and 8839, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 108628839 in words is "one hundred eight million, six hundred twenty-eight thousand, eight hundred thirty-nine".