109393829 has 8 divisors (see below), whose sum is σ = 113331960. Its totient is φ = 105466816.

The previous prime is 109393799. The next prime is 109393841. The reversal of 109393829 is 928393901.

It can be written as a sum of positive squares in 4 ways, for example, as 5313025 + 104080804 = 2305^2 + 10202^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109393829 - 2¹² = 109389733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 109393829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109393859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20747 + ... + 25479.

It is an arithmetic number, because the mean of its divisors is an integer number (14166495).

Almost surely, 2^109393829 is an apocalyptic number.

It is an amenable number.

109393829 is a deficient number, since it is larger than the sum of its proper divisors (3938131).

109393829 is an equidigital number, since it uses as much as digits as its factorization.

109393829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 109393829 is about 10459.1504913162. The cubic root of 109393829 is about 478.2602368470.

The spelling of 109393829 in words is "one hundred nine million, three hundred ninety-three thousand, eight hundred twenty-nine".