428914583 has 4 divisors (see below), whose sum is σ = 428956008. Its totient is φ = 428873160.

The previous prime is 428914559. The next prime is 428914597. The reversal of 428914583 is 385419824.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 428914583 - 2¹⁰ = 428913559 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 (428911583) 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, 9953 + ... + 30933.

It is an arithmetic number, because the mean of its divisors is an integer number (107239002).

Almost surely, 2^428914583 is an apocalyptic number.

428914583 is a deficient number, since it is larger than the sum of its proper divisors (41425).

428914583 is a wasteful number, since it uses less digits than its factorization.

428914583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41424.

The product of its digits is 276480, while the sum is 44.

The square root of 428914583 is about 20710.2530887481. The cubic root of 428914583 is about 754.1486144263.

It can be divided in two parts, 42891 and 4583, that added together give a palindrome (47474).

The spelling of 428914583 in words is "four hundred twenty-eight million, nine hundred fourteen thousand, five hundred eighty-three".