2646468 has 72 divisors (see below), whose sum is σ = 7521696. Its totient is φ = 777600.

The previous prime is 2646463. The next prime is 2646473. The reversal of 2646468 is 8646462.

It is a happy number.

2646468 is a `hidden beast` number, since 2 + 6 + 4 + 646 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (2646463) and next prime (2646473).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16155 + ... + 16317.

It is an arithmetic number, because the mean of its divisors is an integer number (104468).

2^2646468 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 2646468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3760848).

2646468 is an abundant number, since it is smaller than the sum of its proper divisors (4875228).

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

2646468 is a wasteful number, since it uses less digits than its factorization.

2646468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 220 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 2646468 is about 1626.7968527139. The cubic root of 2646468 is about 138.3212427942.

The spelling of 2646468 in words is "two million, six hundred forty-six thousand, four hundred sixty-eight".