2387899 has 4 divisors (see below), whose sum is σ = 2464960. Its totient is φ = 2310840.

The previous prime is 2387897. The next prime is 2387909. The reversal of 2387899 is 9987832.

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

It is a cyclic number.

It is not a de Polignac number, because 2387899 - 2¹ = 2387897 is a prime.

It is a Duffinian number.

2387899 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2387897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38484 + ... + 38545.

It is an arithmetic number, because the mean of its divisors is an integer number (616240).

2^2387899 is an apocalyptic number.

2387899 is a deficient number, since it is larger than the sum of its proper divisors (77061).

2387899 is an equidigital number, since it uses as much as digits as its factorization.

2387899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77060.

The product of its digits is 217728, while the sum is 46.

The square root of 2387899 is about 1545.2828220103. The cubic root of 2387899 is about 133.6611883115.

The spelling of 2387899 in words is "two million, three hundred eighty-seven thousand, eight hundred ninety-nine".