3505887 has 24 divisors (see below), whose sum is σ = 6314880. Its totient is φ = 1820880.

The previous prime is 3505849. The next prime is 3505889. The reversal of 3505887 is 7885053.

It is a happy number.

It is not a de Polignac number, because 3505887 - 2⁸ = 3505631 is a prime.

3505887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1837 + ... + 3222.

It is an arithmetic number, because the mean of its divisors is an integer number (263120).

Almost surely, 2^3505887 is an apocalyptic number.

3505887 is a deficient number, since it is larger than the sum of its proper divisors (2808993).

3505887 is a wasteful number, since it uses less digits than its factorization.

3505887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083 (or 5080 counting only the distinct ones).

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

The square root of 3505887 is about 1872.4013992731. The cubic root of 3505887 is about 151.9145266220.

The spelling of 3505887 in words is "three million, five hundred five thousand, eight hundred eighty-seven".