34240428 has 48 divisors (see below), whose sum is σ = 89631360. Its totient is φ = 11302992.

The previous prime is 34240421. The next prime is 34240433. The reversal of 34240428 is 82404243.

It is a happy number.

34240428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (34240421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10075 + ... + 13037.

It is an arithmetic number, because the mean of its divisors is an integer number (1867320).

Almost surely, 2^34240428 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 34240428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44815680).

34240428 is an abundant number, since it is smaller than the sum of its proper divisors (55390932).

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

34240428 is a wasteful number, since it uses less digits than its factorization.

34240428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083 (or 3075 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 34240428 is about 5851.5321070639. The cubic root of 34240428 is about 324.7230081732.

The spelling of 34240428 in words is "thirty-four million, two hundred forty thousand, four hundred twenty-eight".