2487642 has 8 divisors (see below), whose sum is σ = 4975296. Its totient is φ = 829212.

The previous prime is 2487637. The next prime is 2487659. The reversal of 2487642 is 2467842.

It is a sphenic number, since it is the product of 3 distinct primes.

2487642 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 207298 + ... + 207309.

It is an arithmetic number, because the mean of its divisors is an integer number (621912).

2^2487642 is an apocalyptic number.

2487642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2487642 is a wasteful number, since it uses less digits than its factorization.

2487642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414612.

The product of its digits is 21504, while the sum is 33.

The square root of 2487642 is about 1577.2260459427. The cubic root of 2487642 is about 135.4968795095.

The spelling of 2487642 in words is "two million, four hundred eighty-seven thousand, six hundred forty-two".