2387566 has 4 divisors (see below), whose sum is σ = 3581352. Its totient is φ = 1193782.

The previous prime is 2387563. The next prime is 2387569. The reversal of 2387566 is 6657832.

2387566 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2387563) and next prime (2387569).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2387563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 596890 + ... + 596893.

It is an arithmetic number, because the mean of its divisors is an integer number (895338).

2^2387566 is an apocalyptic number.

2387566 is a deficient number, since it is larger than the sum of its proper divisors (1193786).

2387566 is a wasteful number, since it uses less digits than its factorization.

2387566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193785.

The product of its digits is 60480, while the sum is 37.

The square root of 2387566 is about 1545.1750709871. The cubic root of 2387566 is about 133.6549748654.

The spelling of 2387566 in words is "two million, three hundred eighty-seven thousand, five hundred sixty-six".