108610820 has 12 divisors (see below), whose sum is σ = 228082764. Its totient is φ = 43444320.

The previous prime is 108610769. The next prime is 108610823. The reversal of 108610820 is 28016801.

It can be written as a sum of positive squares in 2 ways, for example, as 53465344 + 55145476 = 7312^2 + 7426^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 108610820.

It is not an unprimeable number, because it can be changed into a prime (108610823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2715251 + ... + 2715290.

It is an arithmetic number, because the mean of its divisors is an integer number (19006897).

Almost surely, 2^108610820 is an apocalyptic number.

108610820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108610820 is an abundant number, since it is smaller than the sum of its proper divisors (119471944).

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

108610820 is a wasteful number, since it uses less digits than its factorization.

108610820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5430550 (or 5430548 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 108610820 is about 10421.6515006020. The cubic root of 108610820 is about 477.1164212075.

The spelling of 108610820 in words is "one hundred eight million, six hundred ten thousand, eight hundred twenty".