34020340 has 12 divisors (see below), whose sum is σ = 71442756. Its totient is φ = 13608128.

The previous prime is 34020331. The next prime is 34020341. The reversal of 34020340 is 4302043.

34020340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13571856 + 20448484 = 3684^2 + 4522^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34020341) 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 3 ways as a sum of consecutive naturals, for example, 850489 + ... + 850528.

It is an arithmetic number, because the mean of its divisors is an integer number (5953563).

Almost surely, 2^34020340 is an apocalyptic number.

It is an amenable number.

34020340 is an abundant number, since it is smaller than the sum of its proper divisors (37422416).

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

34020340 is a wasteful number, since it uses less digits than its factorization.

34020340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701026 (or 1701024 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 34020340 is about 5832.6957746826. The cubic root of 34020340 is about 324.0257689203.

Adding to 34020340 its reverse (4302043), we get a palindrome (38322383).

The spelling of 34020340 in words is "thirty-four million, twenty thousand, three hundred forty".