2646016 has 56 divisors (see below), whose sum is σ = 5897880. Its totient is φ = 1179648.

The previous prime is 2646013. The next prime is 2646019. The reversal of 2646016 is 6106462.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2646013) and next prime (2646019).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139255 + ... + 139273.

2^2646016 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 2646016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2948940).

2646016 is an abundant number, since it is smaller than the sum of its proper divisors (3251864).

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

2646016 is an equidigital number, since it uses as much as digits as its factorization.

2646016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2646016 is about 1626.6579234738. The cubic root of 2646016 is about 138.3133675480.

The spelling of 2646016 in words is "two million, six hundred forty-six thousand, sixteen".