108815428 has 6 divisors (see below), whose sum is σ = 190427006. Its totient is φ = 54407712.

The previous prime is 108815417. The next prime is 108815429. The reversal of 108815428 is 824518801.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 100160064 + 8655364 = 10008^2 + 2942^2 .

It is not an unprimeable number, because it can be changed into a prime (108815429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13601925 + ... + 13601932.

Almost surely, 2^108815428 is an apocalyptic number.

It is an amenable number.

108815428 is a deficient number, since it is larger than the sum of its proper divisors (81611578).

108815428 is a wasteful number, since it uses less digits than its factorization.

108815428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27203861 (or 27203859 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 37.

The square root of 108815428 is about 10431.4633680994. The cubic root of 108815428 is about 477.4158407273.

The spelling of 108815428 in words is "one hundred eight million, eight hundred fifteen thousand, four hundred twenty-eight".