3887907 has 16 divisors (see below), whose sum is σ = 5395488. Its totient is φ = 2488320.

The previous prime is 3887903. The next prime is 3887911. The reversal of 3887907 is 7097883.

It is an interprime number because it is at equal distance from previous prime (3887903) and next prime (3887911).

It is not a de Polignac number, because 3887907 - 2² = 3887903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3887903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8763 + ... + 9195.

It is an arithmetic number, because the mean of its divisors is an integer number (337218).

Almost surely, 2^3887907 is an apocalyptic number.

3887907 is a deficient number, since it is larger than the sum of its proper divisors (1507581).

3887907 is a wasteful number, since it uses less digits than its factorization.

3887907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 3887907 is about 1971.7776243786. Note that the first 3 decimals coincide. The cubic root of 3887907 is about 157.2432298928.

The spelling of 3887907 in words is "three million, eight hundred eighty-seven thousand, nine hundred seven".