3855087 has 16 divisors (see below), whose sum is σ = 5794560. Its totient is φ = 2532600.

The previous prime is 3855083. The next prime is 3855091. The reversal of 3855087 is 7805583.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3855083) and next prime (3855091).

It is not a de Polignac number, because 3855087 - 2² = 3855083 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3855083) 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, 912 + ... + 2922.

It is an arithmetic number, because the mean of its divisors is an integer number (362160).

Almost surely, 2^3855087 is an apocalyptic number.

3855087 is a deficient number, since it is larger than the sum of its proper divisors (1939473).

3855087 is a wasteful number, since it uses less digits than its factorization.

3855087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091 (or 2085 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 3855087 is about 1963.4375467531. The cubic root of 3855087 is about 156.7995196214.

The spelling of 3855087 in words is "three million, eight hundred fifty-five thousand, eighty-seven".