34270428 has 12 divisors (see below), whose sum is σ = 79964360. Its totient is φ = 11423472.

The previous prime is 34270421. The next prime is 34270459. The reversal of 34270428 is 82407243.

34270428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 34270395 and 34270404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34270421) 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 3 ways as a sum of consecutive naturals, for example, 1427923 + ... + 1427946.

Almost surely, 2^34270428 is an apocalyptic number.

It is an amenable number.

34270428 is an abundant number, since it is smaller than the sum of its proper divisors (45693932).

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

34270428 is a wasteful number, since it uses less digits than its factorization.

34270428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855876 (or 2855874 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 34270428 is about 5854.0949770225. The cubic root of 34270428 is about 324.8178166313.

The spelling of 34270428 in words is "thirty-four million, two hundred seventy thousand, four hundred twenty-eight".