34090909 has 4 divisors (see below), whose sum is σ = 34162560. Its totient is φ = 34019260.

The previous prime is 34090907. The next prime is 34090919. The reversal of 34090909 is 90909043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90909043 = 3919 ⋅23197.

It is a cyclic number.

It is not a de Polignac number, because 34090909 - 2¹ = 34090907 is a prime.

It is a Duffinian number.

34090909 is a modest number, since divided by 90909 gives 34 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34090907) 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, 35107 + ... + 36064.

It is an arithmetic number, because the mean of its divisors is an integer number (8540640).

Almost surely, 2^34090909 is an apocalyptic number.

It is an amenable number.

34090909 is a deficient number, since it is larger than the sum of its proper divisors (71651).

34090909 is an equidigital number, since it uses as much as digits as its factorization.

34090909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71650.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 34090909 is about 5838.7420734264. The cubic root of 34090909 is about 324.2496583358.

The spelling of 34090909 in words is "thirty-four million, ninety thousand, nine hundred nine".