3547887 has 16 divisors (see below), whose sum is σ = 5533440. Its totient is φ = 1979712.

The previous prime is 3547879. The next prime is 3547909. The reversal of 3547887 is 7887453.

It is not a de Polignac number, because 3547887 - 2³ = 3547879 is a prime.

3547887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3547837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1062 + ... + 2867.

It is an arithmetic number, because the mean of its divisors is an integer number (345840).

Almost surely, 2^3547887 is an apocalyptic number.

3547887 is a deficient number, since it is larger than the sum of its proper divisors (1985553).

3547887 is a wasteful number, since it uses less digits than its factorization.

3547887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3982.

The product of its digits is 188160, while the sum is 42.

The square root of 3547887 is about 1883.5835526995. The cubic root of 3547887 is about 152.5187578826.

The spelling of 3547887 in words is "three million, five hundred forty-seven thousand, eight hundred eighty-seven".