2646328 has 8 divisors (see below), whose sum is σ = 4961880. Its totient is φ = 1323160.

The previous prime is 2646269. The next prime is 2646353. The reversal of 2646328 is 8236462.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2646328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165388 + ... + 165403.

It is an arithmetic number, because the mean of its divisors is an integer number (620235).

2^2646328 is an apocalyptic number.

It is an amenable number.

2646328 is a deficient number, since it is larger than the sum of its proper divisors (2315552).

2646328 is a wasteful number, since it uses less digits than its factorization.

2646328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330797 (or 330793 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 2646328 is about 1626.7538228017. The cubic root of 2646328 is about 138.3188036545.

The spelling of 2646328 in words is "two million, six hundred forty-six thousand, three hundred twenty-eight".