109686828 has 12 divisors (see below), whose sum is σ = 255935960. Its totient is φ = 36562272.

The previous prime is 109686827. The next prime is 109686869. The reversal of 109686828 is 828686901.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (109686823) 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, 4570273 + ... + 4570296.

Almost surely, 2^109686828 is an apocalyptic number.

It is an amenable number.

109686828 is an abundant number, since it is smaller than the sum of its proper divisors (146249132).

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

109686828 is a wasteful number, since it uses less digits than its factorization.

109686828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9140576 (or 9140574 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 109686828 is about 10473.1479508312. The cubic root of 109686828 is about 478.6868448529.

The spelling of 109686828 in words is "one hundred nine million, six hundred eighty-six thousand, eight hundred twenty-eight".