34428280 has 32 divisors (see below), whose sum is σ = 77682240. Its totient is φ = 13732480.

The previous prime is 34428269. The next prime is 34428287. The reversal of 34428280 is 8282443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34428287) 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, 16242 + ... + 18238.

It is an arithmetic number, because the mean of its divisors is an integer number (2427570).

Almost surely, 2^34428280 is an apocalyptic number.

It is an amenable number.

34428280 is an abundant number, since it is smaller than the sum of its proper divisors (43253960).

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

34428280 is a wasteful number, since it uses less digits than its factorization.

34428280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439 (or 2435 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 34428280 is about 5867.5616741539. The cubic root of 34428280 is about 325.3157641159.

The spelling of 34428280 in words is "thirty-four million, four hundred twenty-eight thousand, two hundred eighty".