2387851 has 2 divisors, whose sum is σ = 2387852. Its totient is φ = 2387850.

The previous prime is 2387843. The next prime is 2387857. The reversal of 2387851 is 1587832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2387851 - 2³ = 2387843 is a prime.

It is not a weakly prime, because it can be changed into another prime (2387857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1193925 + 1193926.

It is an arithmetic number, because the mean of its divisors is an integer number (1193926).

2^2387851 is an apocalyptic number.

2387851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2387851 is an equidigital number, since it uses as much as digits as its factorization.

2387851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 34.

The square root of 2387851 is about 1545.2672907947. The cubic root of 2387851 is about 133.6602927152.

The spelling of 2387851 in words is "two million, three hundred eighty-seven thousand, eight hundred fifty-one".