6445230 has 32 divisors (see below), whose sum is σ = 16875648. Its totient is φ = 1562400.

The previous prime is 6445223. The next prime is 6445247. The reversal of 6445230 is 325446.

It is a d-powerful number, because it can be written as 6³ + 4⁷ + 4¹¹ + 5⁷ + 2²¹ + 3¹⁰ + 0 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6445230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9436 + ... + 10095.

It is an arithmetic number, because the mean of its divisors is an integer number (527364).

Almost surely, 2^6445230 is an apocalyptic number.

6445230 is an abundant number, since it is smaller than the sum of its proper divisors (10430418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6445230 is a wasteful number, since it uses less digits than its factorization.

6445230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19552.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 6445230 is about 2538.7457533199. The cubic root of 6445230 is about 186.0999000862.

The spelling of 6445230 in words is "six million, four hundred forty-five thousand, two hundred thirty".