6405339 has 8 divisors (see below), whose sum is σ = 8911872. Its totient is φ = 4084520.

The previous prime is 6405331. The next prime is 6405353. The reversal of 6405339 is 9335046.

It is a happy number.

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 6405339 - 2³ = 6405331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6405331) 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, 46347 + ... + 46484.

It is an arithmetic number, because the mean of its divisors is an integer number (1113984).

Almost surely, 2^6405339 is an apocalyptic number.

6405339 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

6405339 is a deficient number, since it is larger than the sum of its proper divisors (2506533).

6405339 is a wasteful number, since it uses less digits than its factorization.

6405339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92857.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 6405339 is about 2530.8771206837. The cubic root of 6405339 is about 185.7151670006.

The spelling of 6405339 in words is "six million, four hundred five thousand, three hundred thirty-nine".