34240520 has 32 divisors (see below), whose sum is σ = 78309720. Its totient is φ = 13470720.

The previous prime is 34240501. The next prime is 34240543. The reversal of 34240520 is 2504243.

It can be written as a sum of positive squares in 4 ways, for example, as 10484644 + 23755876 = 3238^2 + 4874^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 34240492 and 34240501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4577 + ... + 9456.

Almost surely, 2^34240520 is an apocalyptic number.

It is an amenable number.

34240520 is an abundant number, since it is smaller than the sum of its proper divisors (44069200).

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

34240520 is a wasteful number, since it uses less digits than its factorization.

34240520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14105 (or 14101 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 34240520 is about 5851.5399682477. The cubic root of 34240520 is about 324.7232990038.

Adding to 34240520 its reverse (2504243), we get a palindrome (36744763).

The spelling of 34240520 in words is "thirty-four million, two hundred forty thousand, five hundred twenty".