428701384 has 16 divisors (see below), whose sum is σ = 805309020. Its totient is φ = 213952320.

The previous prime is 428701381. The next prime is 428701397. The reversal of 428701384 is 483107824.

It can be written as a sum of positive squares in 2 ways, for example, as 356076900 + 72624484 = 18870^2 + 8522^2 .

It is not an unprimeable number, because it can be changed into a prime (428701381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45199 + ... + 53854.

Almost surely, 2^428701384 is an apocalyptic number.

It is an amenable number.

428701384 is a deficient number, since it is larger than the sum of its proper divisors (376607636).

428701384 is a wasteful number, since it uses less digits than its factorization.

428701384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99600 (or 99596 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 428701384 is about 20705.1052641613. The cubic root of 428701384 is about 754.0236397544.

The spelling of 428701384 in words is "four hundred twenty-eight million, seven hundred one thousand, three hundred eighty-four".