109239306 has 16 divisors (see below), whose sum is σ = 238340448. Its totient is φ = 33102800.

The previous prime is 109239301. The next prime is 109239313. The reversal of 109239306 is 603932901.

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

It is not an unprimeable number, because it can be changed into a prime (109239301) 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 7 ways as a sum of consecutive naturals, for example, 827505 + ... + 827636.

It is an arithmetic number, because the mean of its divisors is an integer number (14896278).

Almost surely, 2^109239306 is an apocalyptic number.

109239306 is an abundant number, since it is smaller than the sum of its proper divisors (129101142).

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

109239306 is a wasteful number, since it uses less digits than its factorization.

109239306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655157.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 109239306 is about 10451.7609042687. The cubic root of 109239306 is about 478.0349437290.

The spelling of 109239306 in words is "one hundred nine million, two hundred thirty-nine thousand, three hundred six".