2546664 has 32 divisors (see below), whose sum is σ = 6588000. Its totient is φ = 819392.

The previous prime is 2546659. The next prime is 2546669. The reversal of 2546664 is 4666452.

It is an interprime number because it is at equal distance from previous prime (2546659) and next prime (2546669).

It is not an unprimeable number, because it can be changed into a prime (2546669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134 + ... + 2525.

It is an arithmetic number, because the mean of its divisors is an integer number (205875).

2^2546664 is an apocalyptic number.

2546664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2546664 is an abundant number, since it is smaller than the sum of its proper divisors (4041336).

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

2546664 is a wasteful number, since it uses less digits than its factorization.

2546664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697 (or 3693 counting only the distinct ones).

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

The square root of 2546664 is about 1595.8270582992. The cubic root of 2546664 is about 136.5601178921.

The spelling of 2546664 in words is "two million, five hundred forty-six thousand, six hundred sixty-four".