34249309 has 16 divisors (see below), whose sum is σ = 36542016. Its totient is φ = 32054400.

The previous prime is 34249301. The next prime is 34249321. The reversal of 34249309 is 90394243.

It is a cyclic number.

It is not a de Polignac number, because 34249309 - 2³ = 34249301 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 (34249301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162214 + ... + 162424.

It is an arithmetic number, because the mean of its divisors is an integer number (2283876).

Almost surely, 2^34249309 is an apocalyptic number.

It is an amenable number.

34249309 is a deficient number, since it is larger than the sum of its proper divisors (2292707).

34249309 is a wasteful number, since it uses less digits than its factorization.

34249309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 34249309 is about 5852.2909189479. The cubic root of 34249309 is about 324.7510804055.

The spelling of 34249309 in words is "thirty-four million, two hundred forty-nine thousand, three hundred nine".