34802309 has 4 divisors (see below), whose sum is σ = 34823916. Its totient is φ = 34780704.

The previous prime is 34802303. The next prime is 34802323. The reversal of 34802309 is 90320843.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2879809 + 31922500 = 1697^2 + 5650^2 .

It is a cyclic number.

It is not a de Polignac number, because 34802309 - 2¹⁶ = 34736773 is a prime.

It is a super-2 number, since 2×34802309² = 2422401423462962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34802303) 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, 8174 + ... + 11679.

It is an arithmetic number, because the mean of its divisors is an integer number (8705979).

Almost surely, 2^34802309 is an apocalyptic number.

It is an amenable number.

34802309 is a deficient number, since it is larger than the sum of its proper divisors (21607).

34802309 is a wasteful number, since it uses less digits than its factorization.

34802309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21606.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 34802309 is about 5899.3481843336. The cubic root of 34802309 is about 326.4896008107.

The spelling of 34802309 in words is "thirty-four million, eight hundred two thousand, three hundred nine".