109402836 has 48 divisors (see below), whose sum is σ = 274982400. Its totient is φ = 33741792.

The previous prime is 109402823. The next prime is 109402841. The reversal of 109402836 is 638204901.

It is a junction number, because it is equal to n+sod(n) for n = 109402797 and 109402806.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4225 + ... + 15383.

It is an arithmetic number, because the mean of its divisors is an integer number (5728800).

Almost surely, 2^109402836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109402836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137491200).

109402836 is an abundant number, since it is smaller than the sum of its proper divisors (165579564).

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

109402836 is a wasteful number, since it uses less digits than its factorization.

109402836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11228 (or 11226 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 109402836 is about 10459.5810623562. The cubic root of 109402836 is about 478.2733624251.

The spelling of 109402836 in words is "one hundred nine million, four hundred two thousand, eight hundred thirty-six".