3685884 has 24 divisors (see below), whose sum is σ = 8653008. Its totient is φ = 1221120.

The previous prime is 3685883. The next prime is 3685949. The reversal of 3685884 is 4885863.

It is a super-2 number, since 2×3685884² = 27171481722912, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3³ + 6³ + 8⁶ + 5⁶ + 8⁶ + 8⁷ + 4¹⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685883) 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, 1324 + ... + 3020.

It is an arithmetic number, because the mean of its divisors is an integer number (360542).

Almost surely, 2^3685884 is an apocalyptic number.

It is an amenable number.

3685884 is an abundant number, since it is smaller than the sum of its proper divisors (4967124).

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

3685884 is a wasteful number, since it uses less digits than its factorization.

3685884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1883 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 3685884 is about 1919.8656202974. The cubic root of 3685884 is about 154.4710935541.

The spelling of 3685884 in words is "three million, six hundred eighty-five thousand, eight hundred eighty-four".