34239740 has 24 divisors (see below), whose sum is σ = 72023280. Its totient is φ = 13673088.

The previous prime is 34239719. The next prime is 34239743. The reversal of 34239740 is 4793243.

34239740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 34239697 and 34239706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34239743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16184 + ... + 18176.

It is an arithmetic number, because the mean of its divisors is an integer number (3000970).

Almost surely, 2^34239740 is an apocalyptic number.

It is an amenable number.

34239740 is an abundant number, since it is smaller than the sum of its proper divisors (37783540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34239740 is a wasteful number, since it uses less digits than its factorization.

34239740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861 (or 2859 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 34239740 is about 5851.4733187463. The cubic root of 34239740 is about 324.7208332498.

The spelling of 34239740 in words is "thirty-four million, two hundred thirty-nine thousand, seven hundred forty".