6493899 has 4 divisors (see below), whose sum is σ = 8658536. Its totient is φ = 4329264.

The previous prime is 6493853. The next prime is 6493909. The reversal of 6493899 is 9983946.

It is a happy number.

6493899 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6493899 - 2¹² = 6489803 is a prime.

It is a D-number.

It is a Duffinian number.

6493899 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6493819) 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, 1082314 + ... + 1082319.

It is an arithmetic number, because the mean of its divisors is an integer number (2164634).

Almost surely, 2^6493899 is an apocalyptic number.

6493899 is a deficient number, since it is larger than the sum of its proper divisors (2164637).

6493899 is a wasteful number, since it uses less digits than its factorization.

6493899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164636.

The product of its digits is 419904, while the sum is 48.

The square root of 6493899 is about 2548.3129713597. The cubic root of 6493899 is about 186.5671496895.

The spelling of 6493899 in words is "six million, four hundred ninety-three thousand, eight hundred ninety-nine".