6438601 has 4 divisors (see below), whose sum is σ = 6933892. Its totient is φ = 5943312.

The previous prime is 6438583. The next prime is 6438617. The reversal of 6438601 is 1068346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1068346 = 2 ⋅534173.

It can be written as a sum of positive squares in 2 ways, for example, as 308025 + 6130576 = 555^2 + 2476^2 .

It is a cyclic number.

It is not a de Polignac number, because 6438601 - 2¹¹ = 6436553 is a prime.

It is a super-3 number, since 3×6438601³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6438601.

It is not an unprimeable number, because it can be changed into a prime (6438661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247626 + ... + 247651.

It is an arithmetic number, because the mean of its divisors is an integer number (1733473).

Almost surely, 2^6438601 is an apocalyptic number.

It is an amenable number.

6438601 is a deficient number, since it is larger than the sum of its proper divisors (495291).

6438601 is a wasteful number, since it uses less digits than its factorization.

6438601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495290.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 6438601 is about 2537.4398515039. The cubic root of 6438601 is about 186.0360761718.

The spelling of 6438601 in words is "six million, four hundred thirty-eight thousand, six hundred one".