3889287 has 6 divisors (see below), whose sum is σ = 5617872. Its totient is φ = 2592852.

The previous prime is 3889279. The next prime is 3889289. The reversal of 3889287 is 7829883.

It is not a de Polignac number, because 3889287 - 2³ = 3889279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889289) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 216063 + ... + 216080.

It is an arithmetic number, because the mean of its divisors is an integer number (936312).

Almost surely, 2^3889287 is an apocalyptic number.

3889287 is a deficient number, since it is larger than the sum of its proper divisors (1728585).

3889287 is a wasteful number, since it uses less digits than its factorization.

3889287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432149 (or 432146 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 3889287 is about 1972.1275313732. The cubic root of 3889287 is about 157.2618320171.

The spelling of 3889287 in words is "three million, eight hundred eighty-nine thousand, two hundred eighty-seven".