428014043 has 4 divisors (see below), whose sum is σ = 428235600. Its totient is φ = 427792488.

The previous prime is 428014033. The next prime is 428014079. The reversal of 428014043 is 340410824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 428014043 - 2⁶ = 428013979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428014033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107855 + ... + 111752.

It is an arithmetic number, because the mean of its divisors is an integer number (107058900).

Almost surely, 2^428014043 is an apocalyptic number.

428014043 is a deficient number, since it is larger than the sum of its proper divisors (221557).

428014043 is a wasteful number, since it uses less digits than its factorization.

428014043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221556.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 428014043 is about 20688.5002598062. The cubic root of 428014043 is about 753.6204464424.

Adding to 428014043 its reverse (340410824), we get a palindrome (768424867).

The spelling of 428014043 in words is "four hundred twenty-eight million, fourteen thousand, forty-three".