428383905 has 8 divisors (see below), whose sum is σ = 685414272. Its totient is φ = 228471408.

The previous prime is 428383903. The next prime is 428383909. The reversal of 428383905 is 509383824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 428383905 - 2¹ = 428383903 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (428383903) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 14279449 + ... + 14279478.

It is an arithmetic number, because the mean of its divisors is an integer number (85676784).

Almost surely, 2^428383905 is an apocalyptic number.

It is an amenable number.

428383905 is a deficient number, since it is larger than the sum of its proper divisors (257030367).

428383905 is a wasteful number, since it uses less digits than its factorization.

428383905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28558935.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 428383905 is about 20697.4371601897. The cubic root of 428383905 is about 753.8374605959.

It can be divided in two parts, 4283 and 83905, that added together give a palindrome (88188).

The spelling of 428383905 in words is "four hundred twenty-eight million, three hundred eighty-three thousand, nine hundred five".