428034933 has 6 divisors (see below), whose sum is σ = 618272694. Its totient is φ = 285356616.

The previous prime is 428034881. The next prime is 428034947. The reversal of 428034933 is 339430824.

It is a happy number.

428034933 is a `hidden beast` number, since 4 + 280 + 349 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 255296484 + 172738449 = 15978^2 + 13143^2 .

It is not a de Polignac number, because 428034933 - 2²¹ = 425937781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428034973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23779710 + ... + 23779727.

It is an arithmetic number, because the mean of its divisors is an integer number (103045449).

Almost surely, 2^428034933 is an apocalyptic number.

It is an amenable number.

428034933 is a deficient number, since it is larger than the sum of its proper divisors (190237761).

428034933 is a wasteful number, since it uses less digits than its factorization.

428034933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47559443 (or 47559440 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 428034933 is about 20689.0051234949. The cubic root of 428034933 is about 753.6327068462.

The spelling of 428034933 in words is "four hundred twenty-eight million, thirty-four thousand, nine hundred thirty-three".