6407885 has 8 divisors (see below), whose sum is σ = 8388576. Its totient is φ = 4660240.

The previous prime is 6407881. The next prime is 6407893. The reversal of 6407885 is 5887046.

6407885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6407885 - 2² = 6407881 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 (6407881) 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, 58199 + ... + 58308.

It is an arithmetic number, because the mean of its divisors is an integer number (1048572).

Almost surely, 2^6407885 is an apocalyptic number.

It is an amenable number.

6407885 is a deficient number, since it is larger than the sum of its proper divisors (1980691).

6407885 is a wasteful number, since it uses less digits than its factorization.

6407885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116523.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 6407885 is about 2531.3800583871. The cubic root of 6407885 is about 185.7397698193.

The spelling of 6407885 in words is "six million, four hundred seven thousand, eight hundred eighty-five".