6429859 has 8 divisors (see below), whose sum is σ = 6849360. Its totient is φ = 6014976.

The previous prime is 6429799. The next prime is 6429869. The reversal of 6429859 is 9589246.

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 6429859 - 2⁹ = 6429347 is a prime.

It is a d-powerful number, because it can be written as 6² + 4¹¹ + 2¹⁷ + 9³ + 8⁷ + 5 + 9⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6429869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1987 + ... + 4099.

It is an arithmetic number, because the mean of its divisors is an integer number (856170).

Almost surely, 2^6429859 is an apocalyptic number.

6429859 is a deficient number, since it is larger than the sum of its proper divisors (419501).

6429859 is a wasteful number, since it uses less digits than its factorization.

6429859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309.

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

The square root of 6429859 is about 2535.7166639828. The cubic root of 6429859 is about 185.9518413108.

It can be divided in two parts, 642 and 9859, that added together give a palindrome (10501).

The spelling of 6429859 in words is "six million, four hundred twenty-nine thousand, eight hundred fifty-nine".