2321887 has 2 divisors, whose sum is σ = 2321888. Its totient is φ = 2321886.

The previous prime is 2321881. The next prime is 2321899. The reversal of 2321887 is 7881232.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321887 is a prime.

It is a super-3 number, since 3×2321887³ = 37552987668214233309, which contains 333 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160943 + 1160944.

It is an arithmetic number, because the mean of its divisors is an integer number (1160944).

2^2321887 is an apocalyptic number.

2321887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321887 is an equidigital number, since it uses as much as digits as its factorization.

2321887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 31.

The square root of 2321887 is about 1523.7739333641. The cubic root of 2321887 is about 132.4180007654.

The spelling of 2321887 in words is "two million, three hundred twenty-one thousand, eight hundred eighty-seven".