108839690 has 16 divisors (see below), whose sum is σ = 196778592. Its totient is φ = 43343184.

The previous prime is 108839683. The next prime is 108839699. The reversal of 108839690 is 96938801.

It is a super-2 number, since 2×108839690² = 23692156238592200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108839699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21704 + ... + 26243.

It is an arithmetic number, because the mean of its divisors is an integer number (12298662).

Almost surely, 2^108839690 is an apocalyptic number.

108839690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108839690 is a deficient number, since it is larger than the sum of its proper divisors (87938902).

108839690 is a wasteful number, since it uses less digits than its factorization.

108839690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48181.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 108839690 is about 10432.6262273696. The cubic root of 108839690 is about 477.4513203849.

The spelling of 108839690 in words is "one hundred eight million, eight hundred thirty-nine thousand, six hundred ninety".