2387668 has 6 divisors (see below), whose sum is σ = 4178426. Its totient is φ = 1193832.

The previous prime is 2387629. The next prime is 2387687. The reversal of 2387668 is 8667832.

It is a happy number.

2387668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2226064 + 161604 = 1492^2 + 402^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2387668.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 298455 + ... + 298462.

2^2387668 is an apocalyptic number.

It is an amenable number.

2387668 is a deficient number, since it is larger than the sum of its proper divisors (1790758).

2387668 is a wasteful number, since it uses less digits than its factorization.

2387668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596921 (or 596919 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 2387668 is about 1545.2080766033. The cubic root of 2387668 is about 133.6568781445.

The spelling of 2387668 in words is "two million, three hundred eighty-seven thousand, six hundred sixty-eight".