2646464 has 14 divisors (see below), whose sum is σ = 5251704. Its totient is φ = 1323200.

The previous prime is 2646463. The next prime is 2646473. The reversal of 2646464 is 4646462.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2646464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646463) by changing a digit.

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 as a sum of consecutive naturals, namely, 20612 + ... + 20739.

2^2646464 is an apocalyptic number.

It is an amenable number.

2646464 is a deficient number, since it is larger than the sum of its proper divisors (2605240).

2646464 is an equidigital number, since it uses as much as digits as its factorization.

2646464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41363 (or 41353 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 2646464 is about 1626.7956233037. The cubic root of 2646464 is about 138.3211731057.

The spelling of 2646464 in words is "two million, six hundred forty-six thousand, four hundred sixty-four".