6599401 has 8 divisors (see below), whose sum is σ = 6890184. Its totient is φ = 6314880.

The previous prime is 6599399. The next prime is 6599429. The reversal of 6599401 is 1049956.

It can be written as a sum of positive squares in 4 ways, for example, as 1081600 + 5517801 = 1040^2 + 2349^2 .

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 6599401 - 2¹ = 6599399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6599491) 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, 655 + ... + 3691.

It is an arithmetic number, because the mean of its divisors is an integer number (861273).

Almost surely, 2^6599401 is an apocalyptic number.

It is an amenable number.

6599401 is a deficient number, since it is larger than the sum of its proper divisors (290783).

6599401 is a wasteful number, since it uses less digits than its factorization.

6599401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 6599401 is about 2568.9299328709. The cubic root of 6599401 is about 187.5720706645.

The spelling of 6599401 in words is "six million, five hundred ninety-nine thousand, four hundred one".