2387684 has 48 divisors (see below), whose sum is σ = 4960368. Its totient is φ = 995328.

The previous prime is 2387629. The next prime is 2387687. The reversal of 2387684 is 4867832.

2387684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2387684 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 8 ways, for example, as 107584 + 2280100 = 328^2 + 1510^2 .

It is a d-powerful number, because it can be written as 2²⁰ + 3 + 8⁴ + 7⁴ + 6⁷ + 8⁴ + 4¹⁰ .

Its product of digits (64512) is a multiple of the sum of its prime factors (144).

It is not an unprimeable number, because it can be changed into a prime (2387687) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 32672 + ... + 32744.

It is an arithmetic number, because the mean of its divisors is an integer number (103341).

2^2387684 is an apocalyptic number.

It is an amenable number.

2387684 is an abundant number, since it is smaller than the sum of its proper divisors (2572684).

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

2387684 is a wasteful number, since it uses less digits than its factorization.

2387684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 142 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 2387684 is about 1545.2132538909. The cubic root of 2387684 is about 133.6571766932.

The spelling of 2387684 in words is "two million, three hundred eighty-seven thousand, six hundred eighty-four".