34200109 has 4 divisors (see below), whose sum is σ = 35034300. Its totient is φ = 33365920.

The previous prime is 34200079. The next prime is 34200113. The reversal of 34200109 is 90100243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90100243 = 2969 ⋅30347.

It can be written as a sum of positive squares in 2 ways, for example, as 14040009 + 20160100 = 3747^2 + 4490^2 .

It is a cyclic number.

It is not a de Polignac number, because 34200109 - 2¹⁹ = 33675821 is a prime.

It is a super-2 number, since 2×34200109² = 2339294911223762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34200139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417034 + ... + 417115.

It is an arithmetic number, because the mean of its divisors is an integer number (8758575).

Almost surely, 2^34200109 is an apocalyptic number.

It is an amenable number.

34200109 is a deficient number, since it is larger than the sum of its proper divisors (834191).

34200109 is an equidigital number, since it uses as much as digits as its factorization.

34200109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834190.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 34200109 is about 5848.0859261813. The cubic root of 34200109 is about 324.5955014994.

The spelling of 34200109 in words is "thirty-four million, two hundred thousand, one hundred nine".