34249409 has 4 divisors (see below), whose sum is σ = 34261716. Its totient is φ = 34237104.

The previous prime is 34249387. The next prime is 34249429. The reversal of 34249409 is 90494243.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 14250625 + 19998784 = 3775^2 + 4472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34249409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34249429) 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, 227 + ... + 8279.

It is an arithmetic number, because the mean of its divisors is an integer number (8565429).

Almost surely, 2^34249409 is an apocalyptic number.

It is an amenable number.

34249409 is a deficient number, since it is larger than the sum of its proper divisors (12307).

34249409 is an equidigital number, since it uses as much as digits as its factorization.

34249409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12306.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 34249409 is about 5852.2994626044. The cubic root of 34249409 is about 324.7513964710.

The spelling of 34249409 in words is "thirty-four million, two hundred forty-nine thousand, four hundred nine".