6416604 has 96 divisors (see below), whose sum is σ = 18144000. Its totient is φ = 1954368.

The previous prime is 6416593. The next prime is 6416611. The reversal of 6416604 is 4066146.

6416604 is digitally balanced in base 4 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108727 + ... + 108785.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

Almost surely, 2^6416604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6416604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9072000).

6416604 is an abundant number, since it is smaller than the sum of its proper divisors (11727396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6416604 is a wasteful number, since it uses less digits than its factorization.

6416604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 6416604 is about 2533.1016560730. The cubic root of 6416604 is about 185.8239749868.

The spelling of 6416604 in words is "six million, four hundred sixteen thousand, six hundred four".