34042309 has 24 divisors (see below), whose sum is σ = 41572608. Its totient is φ = 27760320.

The previous prime is 34042303. The next prime is 34042321. The reversal of 34042309 is 90324043.

It is not a de Polignac number, because 34042309 - 2³ = 34042301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34042301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110734 + ... + 111040.

It is an arithmetic number, because the mean of its divisors is an integer number (1732192).

Almost surely, 2^34042309 is an apocalyptic number.

It is an amenable number.

34042309 is a deficient number, since it is larger than the sum of its proper divisors (7530299).

34042309 is a wasteful number, since it uses less digits than its factorization.

34042309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 34042309 is about 5834.5787337219. The cubic root of 34042309 is about 324.0955016192.

The spelling of 34042309 in words is "thirty-four million, forty-two thousand, three hundred nine".