108728930 has 8 divisors (see below), whose sum is σ = 195712092. Its totient is φ = 43491568.

The previous prime is 108728927. The next prime is 108728941. The reversal of 108728930 is 39827801.

It can be written as a sum of positive squares in 2 ways, for example, as 97990201 + 10738729 = 9899^2 + 3277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5436437 + ... + 5436456.

Almost surely, 2^108728930 is an apocalyptic number.

108728930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108728930 is a deficient number, since it is larger than the sum of its proper divisors (86983162).

108728930 is a wasteful number, since it uses less digits than its factorization.

108728930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10872900.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 108728930 is about 10427.3165291939. The cubic root of 108728930 is about 477.2893070087.

The spelling of 108728930 in words is "one hundred eight million, seven hundred twenty-eight thousand, nine hundred thirty".