3591868 has 24 divisors (see below), whose sum is σ = 7236992. Its totient is φ = 1527984.

The previous prime is 3591851. The next prime is 3591869. The reversal of 3591868 is 8681953.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3591868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3591869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4171 + ... + 4957.

Almost surely, 2^3591868 is an apocalyptic number.

It is an amenable number.

3591868 is an abundant number, since it is smaller than the sum of its proper divisors (3645124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3591868 is a wasteful number, since it uses less digits than its factorization.

3591868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 959 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 3591868 is about 1895.2224143883. Note that the first 3 decimals coincide. The cubic root of 3591868 is about 153.1463989530.

The spelling of 3591868 in words is "three million, five hundred ninety-one thousand, eight hundred sixty-eight".