6416878 has 8 divisors (see below), whose sum is σ = 10365768. Its totient is φ = 2961624.

The previous prime is 6416867. The next prime is 6416887. The reversal of 6416878 is 8786146.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6416878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123376 + ... + 123427.

It is an arithmetic number, because the mean of its divisors is an integer number (1295721).

Almost surely, 2^6416878 is an apocalyptic number.

6416878 is a deficient number, since it is larger than the sum of its proper divisors (3948890).

6416878 is a wasteful number, since it uses less digits than its factorization.

6416878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246818.

The product of its digits is 64512, while the sum is 40.

The square root of 6416878 is about 2533.1557393891. The cubic root of 6416878 is about 185.8266199500.

It can be divided in two parts, 64168 and 78, that added together give a palindrome (64246).

The spelling of 6416878 in words is "six million, four hundred sixteen thousand, eight hundred seventy-eight".