3887091 has 12 divisors (see below), whose sum is σ = 6046768. Its totient is φ = 2391984.

The previous prime is 3887083. The next prime is 3887111. The reversal of 3887091 is 1907883.

It is not a de Polignac number, because 3887091 - 2³ = 3887083 is a prime.

3887091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3887011) 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, 16495 + ... + 16728.

Almost surely, 2^3887091 is an apocalyptic number.

3887091 is a deficient number, since it is larger than the sum of its proper divisors (2159677).

3887091 is a wasteful number, since it uses less digits than its factorization.

3887091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33242 (or 33239 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 3887091 is about 1971.5706936349. The cubic root of 3887091 is about 157.2322283048.

The spelling of 3887091 in words is "three million, eight hundred eighty-seven thousand, ninety-one".