2466639 has 32 divisors (see below), whose sum is σ = 4321280. Its totient is φ = 1360800.

The previous prime is 2466631. The next prime is 2466647. The reversal of 2466639 is 9366642.

It is an interprime number because it is at equal distance from previous prime (2466631) and next prime (2466647).

It is not a de Polignac number, because 2466639 - 2³ = 2466631 is a prime.

It is a Duffinian number.

2466639 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2466631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5649 + ... + 6069.

It is an arithmetic number, because the mean of its divisors is an integer number (135040).

2^2466639 is an apocalyptic number.

2466639 is a deficient number, since it is larger than the sum of its proper divisors (1854641).

2466639 is a wasteful number, since it uses less digits than its factorization.

2466639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 462 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 2466639 is about 1570.5537240095. The cubic root of 2466639 is about 135.1144708103.

The spelling of 2466639 in words is "two million, four hundred sixty-six thousand, six hundred thirty-nine".