34180909 has 4 divisors (see below), whose sum is σ = 39063904. Its totient is φ = 29297916.

The previous prime is 34180871. The next prime is 34180963. The reversal of 34180909 is 90908143.

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.

It is a cyclic number.

It is not a de Polignac number, because 34180909 - 2¹³ = 34172717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34180109) 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, 2441487 + ... + 2441500.

It is an arithmetic number, because the mean of its divisors is an integer number (9765976).

Almost surely, 2^34180909 is an apocalyptic number.

It is an amenable number.

34180909 is a deficient number, since it is larger than the sum of its proper divisors (4882995).

34180909 is an equidigital number, since it uses as much as digits as its factorization.

34180909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882994.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 34180909 is about 5846.4441329752. Note that the first 3 decimals coincide. The cubic root of 34180909 is about 324.5347473046.

The spelling of 34180909 in words is "thirty-four million, one hundred eighty thousand, nine hundred nine".