108649695 has 64 divisors (see below), whose sum is σ = 228188160. Its totient is φ = 42768000.

The previous prime is 108649693. The next prime is 108649711. The reversal of 108649695 is 596946801.

It is not a de Polignac number, because 108649695 - 2¹ = 108649693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108649693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19470 + ... + 24420.

It is an arithmetic number, because the mean of its divisors is an integer number (3565440).

Almost surely, 2^108649695 is an apocalyptic number.

108649695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

108649695 is an abundant number, since it is smaller than the sum of its proper divisors (119538465).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108649695 is a wasteful number, since it uses less digits than its factorization.

108649695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 108649695 is about 10423.5164412016. The cubic root of 108649695 is about 477.1733390738.

The spelling of 108649695 in words is "one hundred eight million, six hundred forty-nine thousand, six hundred ninety-five".