34479309 has 8 divisors (see below), whose sum is σ = 46840032. Its totient is φ = 22552400.

The previous prime is 34479293. The next prime is 34479311. The reversal of 34479309 is 90397443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34479309 - 2⁴ = 34479293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34478309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108267 + ... + 108584.

It is an arithmetic number, because the mean of its divisors is an integer number (5855004).

Almost surely, 2^34479309 is an apocalyptic number.

It is an amenable number.

34479309 is a deficient number, since it is larger than the sum of its proper divisors (12360723).

34479309 is a wasteful number, since it uses less digits than its factorization.

34479309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216907.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 34479309 is about 5871.9084631830. The cubic root of 34479309 is about 325.4764105689.

The spelling of 34479309 in words is "thirty-four million, four hundred seventy-nine thousand, three hundred nine".