428364111 has 8 divisors (see below), whose sum is σ = 652745344. Its totient is φ = 244779480.

The previous prime is 428364109. The next prime is 428364119. The reversal of 428364111 is 111463824.

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

It is not a de Polignac number, because 428364111 - 2¹ = 428364109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428364119) 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, 10199125 + ... + 10199166.

It is an arithmetic number, because the mean of its divisors is an integer number (81593168).

Almost surely, 2^428364111 is an apocalyptic number.

428364111 is a deficient number, since it is larger than the sum of its proper divisors (224381233).

428364111 is a wasteful number, since it uses less digits than its factorization.

428364111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20398301.

The product of its digits is 4608, while the sum is 30.

The square root of 428364111 is about 20696.9589795216. The cubic root of 428364111 is about 753.8258497578.

The spelling of 428364111 in words is "four hundred twenty-eight million, three hundred sixty-four thousand, one hundred eleven".