3887893 has 2 divisors, whose sum is σ = 3887894. Its totient is φ = 3887892.

The previous prime is 3887881. The next prime is 3887899. The reversal of 3887893 is 3987883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2537649 + 1350244 = 1593^2 + 1162^2 .

It is a cyclic number.

It is not a de Polignac number, because 3887893 - 2⁵ = 3887861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3887899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1943946 + 1943947.

It is an arithmetic number, because the mean of its divisors is an integer number (1943947).

Almost surely, 2^3887893 is an apocalyptic number.

It is an amenable number.

3887893 is a deficient number, since it is larger than the sum of its proper divisors (1).

3887893 is an equidigital number, since it uses as much as digits as its factorization.

3887893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 3887893 is about 1971.7740742793. The cubic root of 3887893 is about 157.2430411530.

It can be divided in two parts, 388 and 7893, that added together give a square (8281 = 91²).

The spelling of 3887893 in words is "three million, eight hundred eighty-seven thousand, eight hundred ninety-three".