6465799 has 4 divisors (see below), whose sum is σ = 6472264. Its totient is φ = 6459336.

The previous prime is 6465791. The next prime is 6465803. The reversal of 6465799 is 9975646.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6465799 - 2³ = 6465791 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 (6465791) 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, 1377 + ... + 3850.

It is an arithmetic number, because the mean of its divisors is an integer number (1618066).

Almost surely, 2^6465799 is an apocalyptic number.

6465799 is a deficient number, since it is larger than the sum of its proper divisors (6465).

6465799 is a wasteful number, since it uses less digits than its factorization.

6465799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6464.

The product of its digits is 408240, while the sum is 46.

The square root of 6465799 is about 2542.7935425433. The cubic root of 6465799 is about 186.2976599801.

The spelling of 6465799 in words is "six million, four hundred sixty-five thousand, seven hundred ninety-nine".