6438652 has 36 divisors (see below), whose sum is σ = 12669048. Its totient is φ = 2860000.

The previous prime is 6438647. The next prime is 6438659. The reversal of 6438652 is 2568346.

It is a happy number.

It is a d-powerful number, because it can be written as 6 + 4¹¹ + 3¹² + 8³ + 6⁸ + 5 + 2¹⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6438659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25527 + ... + 25777.

It is an arithmetic number, because the mean of its divisors is an integer number (351918).

Almost surely, 2^6438652 is an apocalyptic number.

It is an amenable number.

6438652 is a deficient number, since it is larger than the sum of its proper divisors (6230396).

6438652 is a wasteful number, since it uses less digits than its factorization.

6438652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 317 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 6438652 is about 2537.4499009833. The cubic root of 6438652 is about 186.0365673663.

The spelling of 6438652 in words is "six million, four hundred thirty-eight thousand, six hundred fifty-two".