6396416 has 60 divisors (see below), whose sum is σ = 14221746. Its totient is φ = 2856960.

The previous prime is 6396409. The next prime is 6396433. The reversal of 6396416 is 6146936.

It can be written as a sum of positive squares in only one way, i.e., 6150400 + 246016 = 2480^2 + 496^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206321 + ... + 206351.

Almost surely, 2^6396416 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 6396416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7110873).

6396416 is an abundant number, since it is smaller than the sum of its proper divisors (7825330).

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

6396416 is an equidigital number, since it uses as much as digits as its factorization.

6396416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 46 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 6396416 is about 2529.1136787420. The cubic root of 6396416 is about 185.6288896765.

The spelling of 6396416 in words is "six million, three hundred ninety-six thousand, four hundred sixteen".