34709439 has 4 divisors (see below), whose sum is σ = 46279256. Its totient is φ = 23139624.

The previous prime is 34709399. The next prime is 34709449. The reversal of 34709439 is 93490743.

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

It is not a de Polignac number, because 34709439 - 2¹⁵ = 34676671 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34709397 and 34709406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34709449) 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, 5784904 + ... + 5784909.

It is an arithmetic number, because the mean of its divisors is an integer number (11569814).

Almost surely, 2^34709439 is an apocalyptic number.

34709439 is a deficient number, since it is larger than the sum of its proper divisors (11569817).

34709439 is a wasteful number, since it uses less digits than its factorization.

34709439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11569816.

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

The square root of 34709439 is about 5891.4717176610. The cubic root of 34709439 is about 326.1989294848.

The spelling of 34709439 in words is "thirty-four million, seven hundred nine thousand, four hundred thirty-nine".