34430240 has 48 divisors (see below), whose sum is σ = 87603768. Its totient is φ = 12711936.

The previous prime is 34430237. The next prime is 34430251. The reversal of 34430240 is 4203443.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29986576 + 4443664 = 5476^2 + 2108^2 .

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

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, 6197 + ... + 10356.

Almost surely, 2^34430240 is an apocalyptic number.

It is an amenable number.

34430240 is an abundant number, since it is smaller than the sum of its proper divisors (53173528).

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

34430240 is a wasteful number, since it uses less digits than its factorization.

34430240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16581 (or 16573 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 34430240 is about 5867.7286917512. The cubic root of 34430240 is about 325.3219374013.

Adding to 34430240 its reverse (4203443), we get a palindrome (38633683).

The spelling of 34430240 in words is "thirty-four million, four hundred thirty thousand, two hundred forty".