428588371 has 4 divisors (see below), whose sum is σ = 447222672. Its totient is φ = 409954072.

The previous prime is 428588357. The next prime is 428588401. The reversal of 428588371 is 173885824.

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 428588371 - 2¹³ = 428580179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428580371) 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, 9317116 + ... + 9317161.

It is an arithmetic number, because the mean of its divisors is an integer number (111805668).

Almost surely, 2^428588371 is an apocalyptic number.

428588371 is a deficient number, since it is larger than the sum of its proper divisors (18634301).

428588371 is a wasteful number, since it uses less digits than its factorization.

428588371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18634300.

The product of its digits is 430080, while the sum is 46.

The square root of 428588371 is about 20702.3759747523. The cubic root of 428588371 is about 753.9573760988.

The spelling of 428588371 in words is "four hundred twenty-eight million, five hundred eighty-eight thousand, three hundred seventy-one".