3630285 has 16 divisors (see below), whose sum is σ = 6454080. Its totient is φ = 1936080.

The previous prime is 3630281. The next prime is 3630323. The reversal of 3630285 is 5820363.

3630285 is a `hidden beast` number, since 3 + 630 + 28 + 5 = 666.

It is not a de Polignac number, because 3630285 - 2² = 3630281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

3630285 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3630281) 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, 13311 + ... + 13580.

It is an arithmetic number, because the mean of its divisors is an integer number (403380).

Almost surely, 2^3630285 is an apocalyptic number.

It is an amenable number.

3630285 is a deficient number, since it is larger than the sum of its proper divisors (2823795).

3630285 is a wasteful number, since it uses less digits than its factorization.

3630285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26905 (or 26899 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3630285 is about 1905.3306799608. The cubic root of 3630285 is about 153.6904588011.

The spelling of 3630285 in words is "three million, six hundred thirty thousand, two hundred eighty-five".