428886319 has 8 divisors (see below), whose sum is σ = 454327488. Its totient is φ = 403468800.

The previous prime is 428886301. The next prime is 428886347. The reversal of 428886319 is 913688824.

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

It is a cyclic number.

It is not a de Polignac number, because 428886319 - 2⁵ = 428886287 is a prime.

It is a super-2 number, since 2×428886319² = 367886949250739522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428886349) 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, 43114 + ... + 52120.

It is an arithmetic number, because the mean of its divisors is an integer number (56790936).

Almost surely, 2^428886319 is an apocalyptic number.

428886319 is a deficient number, since it is larger than the sum of its proper divisors (25441169).

428886319 is a wasteful number, since it uses less digits than its factorization.

428886319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11825.

The product of its digits is 663552, while the sum is 49.

The square root of 428886319 is about 20709.5707101813. The cubic root of 428886319 is about 754.1320487934.

It can be divided in two parts, 42 and 8886319, that added together give a square (8886361 = 2981²).

The spelling of 428886319 in words is "four hundred twenty-eight million, eight hundred eighty-six thousand, three hundred nineteen".