108306986 has 4 divisors (see below), whose sum is σ = 162460482. Its totient is φ = 54153492.

The previous prime is 108306971. The next prime is 108307013. The reversal of 108306986 is 689603801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 101707225 + 6599761 = 10085^2 + 2569^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27076745 + ... + 27076748.

Almost surely, 2^108306986 is an apocalyptic number.

108306986 is a deficient number, since it is larger than the sum of its proper divisors (54153496).

108306986 is an equidigital number, since it uses as much as digits as its factorization.

108306986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54153495.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 108306986 is about 10407.0642354124. The cubic root of 108306986 is about 476.6711016154.

The spelling of 108306986 in words is "one hundred eight million, three hundred six thousand, nine hundred eighty-six".