108212839 has 16 divisors (see below), whose sum is σ = 126316800. Its totient is φ = 90788544.

The previous prime is 108212831. The next prime is 108212843. The reversal of 108212839 is 938212801.

It is not a de Polignac number, because 108212839 - 2³ = 108212831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108212831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83307 + ... + 84595.

It is an arithmetic number, because the mean of its divisors is an integer number (7894800).

Almost surely, 2^108212839 is an apocalyptic number.

108212839 is a deficient number, since it is larger than the sum of its proper divisors (18103961).

108212839 is a wasteful number, since it uses less digits than its factorization.

108212839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 108212839 is about 10402.5400263589. The cubic root of 108212839 is about 476.5329444338.

The spelling of 108212839 in words is "one hundred eight million, two hundred twelve thousand, eight hundred thirty-nine".