6428599 has 8 divisors (see below), whose sum is σ = 6601392. Its totient is φ = 6258240.

The previous prime is 6428573. The next prime is 6428623. The reversal of 6428599 is 9958246.

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 6428599 - 2⁹ = 6428087 is a prime.

It is a Duffinian number.

6428599 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428399) 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, 5529 + ... + 6589.

It is an arithmetic number, because the mean of its divisors is an integer number (825174).

Almost surely, 2^6428599 is an apocalyptic number.

6428599 is a deficient number, since it is larger than the sum of its proper divisors (172793).

6428599 is a wasteful number, since it uses less digits than its factorization.

6428599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217.

The product of its digits is 155520, while the sum is 43.

The square root of 6428599 is about 2535.4682013388. The cubic root of 6428599 is about 185.9396940965.

The spelling of 6428599 in words is "six million, four hundred twenty-eight thousand, five hundred ninety-nine".