428337384 has 16 divisors (see below), whose sum is σ = 1070843520. Its totient is φ = 142779120.

The previous prime is 428337383. The next prime is 428337397. The reversal of 428337384 is 483733824.

It is a super-3 number, since 3×428337384³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (428337383) 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, 8923672 + ... + 8923719.

It is an arithmetic number, because the mean of its divisors is an integer number (66927720).

Almost surely, 2^428337384 is an apocalyptic number.

It is an amenable number.

428337384 is an abundant number, since it is smaller than the sum of its proper divisors (642506136).

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

428337384 is a wasteful number, since it uses less digits than its factorization.

428337384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17847400 (or 17847396 counting only the distinct ones).

The product of its digits is 387072, while the sum is 42.

The square root of 428337384 is about 20696.3132948842. The cubic root of 428337384 is about 753.8101715672.

The spelling of 428337384 in words is "four hundred twenty-eight million, three hundred thirty-seven thousand, three hundred eighty-four".