109900836 has 36 divisors (see below), whose sum is σ = 287387100. Its totient is φ = 35370048.

The previous prime is 109900811. The next prime is 109900871. The reversal of 109900836 is 638009901.

It can be written as a sum of positive squares in 2 ways, for example, as 31472100 + 78428736 = 5610^2 + 8856^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 109900836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51591 + ... + 53678.

It is an arithmetic number, because the mean of its divisors is an integer number (7982975).

Almost surely, 2^109900836 is an apocalyptic number.

It is an amenable number.

109900836 is an abundant number, since it is smaller than the sum of its proper divisors (177486264).

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

109900836 is a wasteful number, since it uses less digits than its factorization.

109900836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105308 (or 105303 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 109900836 is about 10483.3599575709. The cubic root of 109900836 is about 478.9979617041.

The spelling of 109900836 in words is "one hundred nine million, nine hundred thousand, eight hundred thirty-six".