34043920 has 20 divisors (see below), whose sum is σ = 79152300. Its totient is φ = 13617536.

The previous prime is 34043909. The next prime is 34043923. The reversal of 34043920 is 2934043.

It can be written as a sum of positive squares in 2 ways, for example, as 22127616 + 11916304 = 4704^2 + 3452^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (34043923) 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, 212695 + ... + 212854.

It is an arithmetic number, because the mean of its divisors is an integer number (3957615).

Almost surely, 2^34043920 is an apocalyptic number.

It is an amenable number.

34043920 is an abundant number, since it is smaller than the sum of its proper divisors (45108380).

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

34043920 is a wasteful number, since it uses less digits than its factorization.

34043920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425562 (or 425556 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 34043920 is about 5834.7167883283. The cubic root of 34043920 is about 324.1006139793.

Adding to 34043920 its reverse (2934043), we get a palindrome (36977963).

The spelling of 34043920 in words is "thirty-four million, forty-three thousand, nine hundred twenty".