3887289 has 12 divisors (see below), whose sum is σ = 6417216. Its totient is φ = 2221272.

The previous prime is 3887281. The next prime is 3887291. The reversal of 3887289 is 9827883.

It is not a de Polignac number, because 3887289 - 2³ = 3887281 is a prime.

It is a super-2 number, since 2×3887289² = 30222031539042, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3887281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30789 + ... + 30914.

It is an arithmetic number, because the mean of its divisors is an integer number (534768).

Almost surely, 2^3887289 is an apocalyptic number.

It is an amenable number.

3887289 is a deficient number, since it is larger than the sum of its proper divisors (2529927).

3887289 is a wasteful number, since it uses less digits than its factorization.

3887289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61716 (or 61713 counting only the distinct ones).

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

The square root of 3887289 is about 1971.6209067668. The cubic root of 3887289 is about 157.2348979492.

The spelling of 3887289 in words is "three million, eight hundred eighty-seven thousand, two hundred eighty-nine".