34043240 has 96 divisors (see below), whose sum is σ = 97264800. Its totient is φ = 10604160.

The previous prime is 34043237. The next prime is 34043257. The reversal of 34043240 is 4234043.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 20771 + ... + 22349.

It is an arithmetic number, because the mean of its divisors is an integer number (1013175).

Almost surely, 2^34043240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34043240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48632400).

34043240 is an abundant number, since it is smaller than the sum of its proper divisors (63221560).

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

34043240 is a wasteful number, since it uses less digits than its factorization.

34043240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1604 counting only the distinct ones).

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

The square root of 34043240 is about 5834.6585161430. The cubic root of 34043240 is about 324.0984560816.

Adding to 34043240 its reverse (4234043), we get a palindrome (38277283).

The spelling of 34043240 in words is "thirty-four million, forty-three thousand, two hundred forty".