428926384 has 10 divisors (see below), whose sum is σ = 831044900. Its totient is φ = 214463184.

The previous prime is 428926373. The next prime is 428926397. The reversal of 428926384 is 483629824.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13403934 + ... + 13403965.

It is an arithmetic number, because the mean of its divisors is an integer number (83104490).

Almost surely, 2^428926384 is an apocalyptic number.

It is an amenable number.

428926384 is a deficient number, since it is larger than the sum of its proper divisors (402118516).

428926384 is a wasteful number, since it uses less digits than its factorization.

428926384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26807907 (or 26807901 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 428926384 is about 20710.5379939778. The cubic root of 428926384 is about 754.1555308199.

The spelling of 428926384 in words is "four hundred twenty-eight million, nine hundred twenty-six thousand, three hundred eighty-four".