2456664 has 48 divisors (see below), whose sum is σ = 7147800. Its totient is φ = 701568.

The previous prime is 2456651. The next prime is 2456693. The reversal of 2456664 is 4666542.

2456664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132 + ... + 2220.

2^2456664 is an apocalyptic number.

2456664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2456664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3573900).

2456664 is an abundant number, since it is smaller than the sum of its proper divisors (4691136).

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

2456664 is a wasteful number, since it uses less digits than its factorization.

2456664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112 (or 2101 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 2456664 is about 1567.3748753888. The cubic root of 2456664 is about 134.9320920468.

The spelling of 2456664 in words is "two million, four hundred fifty-six thousand, six hundred sixty-four".