6445232 has 20 divisors (see below), whose sum is σ = 12535656. Its totient is φ = 3210240.

The previous prime is 6445223. The next prime is 6445247. The reversal of 6445232 is 2325446.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 6³ + 4⁵ + 4¹¹ + 5 + 2¹⁷ + 3¹³ + 2¹⁹ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4688 + ... + 5904.

Almost surely, 2^6445232 is an apocalyptic number.

It is an amenable number.

6445232 is a deficient number, since it is larger than the sum of its proper divisors (6090424).

6445232 is a wasteful number, since it uses less digits than its factorization.

6445232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556 (or 1550 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 6445232 is about 2538.7461472152. The cubic root of 6445232 is about 186.0999193356.

The spelling of 6445232 in words is "six million, four hundred forty-five thousand, two hundred thirty-two".