3287855 has 16 divisors (see below), whose sum is σ = 4237920. Its totient is φ = 2441088.

The previous prime is 3287833. The next prime is 3287861. The reversal of 3287855 is 5587823.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3287855 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4709 + ... + 5361.

It is an arithmetic number, because the mean of its divisors is an integer number (264870).

Almost surely, 2^3287855 is an apocalyptic number.

3287855 is a deficient number, since it is larger than the sum of its proper divisors (950065).

3287855 is a wasteful number, since it uses less digits than its factorization.

3287855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730.

The product of its digits is 67200, while the sum is 38.

The square root of 3287855 is about 1813.2443299236. The cubic root of 3287855 is about 148.6976889241.

Subtracting 3287855 from its reverse (5587823), we obtain a cube (2299968 = 132³).

The spelling of 3287855 in words is "three million, two hundred eighty-seven thousand, eight hundred fifty-five".