109028436 has 48 divisors (see below), whose sum is σ = 279599040. Its totient is φ = 32792320.

The previous prime is 109028419. The next prime is 109028443. The reversal of 109028436 is 634820901.

109028436 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

109028436 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 109028397 and 109028406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15070 + ... + 21098.

It is an arithmetic number, because the mean of its divisors is an integer number (5824980).

Almost surely, 2^109028436 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 109028436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139799520).

109028436 is an abundant number, since it is smaller than the sum of its proper divisors (170570604).

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

109028436 is a wasteful number, since it uses less digits than its factorization.

109028436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6184 (or 6182 counting only the distinct ones).

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

The square root of 109028436 is about 10441.6682575152. The cubic root of 109028436 is about 477.7271541499.

The spelling of 109028436 in words is "one hundred nine million, twenty-eight thousand, four hundred thirty-six".