6485399 has 4 divisors (see below), whose sum is σ = 6582264. Its totient is φ = 6388536.

The previous prime is 6485387. The next prime is 6485407. The reversal of 6485399 is 9935846.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9935846 = 2 ⋅4967923.

It is a cyclic number.

It is not a de Polignac number, because 6485399 - 2¹² = 6481303 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 (6485329) 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, 48332 + ... + 48465.

It is an arithmetic number, because the mean of its divisors is an integer number (1645566).

Almost surely, 2^6485399 is an apocalyptic number.

6485399 is a deficient number, since it is larger than the sum of its proper divisors (96865).

6485399 is an equidigital number, since it uses as much as digits as its factorization.

6485399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96864.

The product of its digits is 233280, while the sum is 44.

The square root of 6485399 is about 2546.6446552277. The cubic root of 6485399 is about 186.4857136021.

The spelling of 6485399 in words is "six million, four hundred eighty-five thousand, three hundred ninety-nine".