3638284 has 48 divisors (see below), whose sum is σ = 7388416. Its totient is φ = 1555200.

The previous prime is 3638279. The next prime is 3638287. The reversal of 3638284 is 4828363.

It is a super-2 number, since 2×3638284² = 26474220929312, which contains 22 as substring.

Its product of digits (27648) is a multiple of the sum of its prime divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3638287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59614 + ... + 59674.

Almost surely, 2^3638284 is an apocalyptic number.

It is an amenable number.

3638284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

3638284 is a wasteful number, since it uses less digits than its factorization.

3638284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 144 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 3638284 is about 1907.4286356244. The cubic root of 3638284 is about 153.8032569376.

The spelling of 3638284 in words is "three million, six hundred thirty-eight thousand, two hundred eighty-four".