6438901 has 8 divisors (see below), whose sum is σ = 7469120. Its totient is φ = 5436288.

The previous prime is 6438893. The next prime is 6438911. The reversal of 6438901 is 1098346.

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 6438901 - 2³ = 6438893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6438911) 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, 6396 + ... + 7333.

It is an arithmetic number, because the mean of its divisors is an integer number (933640).

Almost surely, 2^6438901 is an apocalyptic number.

It is an amenable number.

6438901 is a deficient number, since it is larger than the sum of its proper divisors (1030219).

6438901 is a wasteful number, since it uses less digits than its factorization.

6438901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13803.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 6438901 is about 2537.4989655170. The cubic root of 6438901 is about 186.0389655136.

The spelling of 6438901 in words is "six million, four hundred thirty-eight thousand, nine hundred one".