34403240 has 32 divisors (see below), whose sum is σ = 81962280. Its totient is φ = 12951552.

The previous prime is 34403233. The next prime is 34403249. The reversal of 34403240 is 4230443.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30891364 + 3511876 = 5558^2 + 1874^2 .

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

It is not an unprimeable number, because it can be changed into a prime (34403249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24617 + ... + 25976.

Almost surely, 2^34403240 is an apocalyptic number.

It is an amenable number.

34403240 is an abundant number, since it is smaller than the sum of its proper divisors (47559040).

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

34403240 is a wasteful number, since it uses less digits than its factorization.

34403240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50621 (or 50617 counting only the distinct ones).

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

The square root of 34403240 is about 5865.4275206501. The cubic root of 34403240 is about 325.2368766199.

Adding to 34403240 its reverse (4230443), we get a palindrome (38633683).

It can be divided in two parts, 34403 and 240, that added together give a palindrome (34643).

The spelling of 34403240 in words is "thirty-four million, four hundred three thousand, two hundred forty".