108439357 has 12 divisors (see below), whose sum is σ = 118603764. Its totient is φ = 99091200.

The previous prime is 108439349. The next prime is 108439361. The reversal of 108439357 is 753934801.

It can be written as a sum of positive squares in 6 ways, for example, as 1503076 + 106936281 = 1226^2 + 10341^2 .

It is not a de Polignac number, because 108439357 - 2³ = 108439349 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 (108439757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13893 + ... + 20245.

It is an arithmetic number, because the mean of its divisors is an integer number (9883647).

Almost surely, 2^108439357 is an apocalyptic number.

It is an amenable number.

108439357 is a deficient number, since it is larger than the sum of its proper divisors (10164407).

108439357 is a wasteful number, since it uses less digits than its factorization.

108439357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6480 (or 6467 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 108439357 is about 10413.4219639847. The cubic root of 108439357 is about 476.8652157245.

The spelling of 108439357 in words is "one hundred eight million, four hundred thirty-nine thousand, three hundred fifty-seven".