3638853 has 12 divisors (see below), whose sum is σ = 5484960. Its totient is φ = 2320296.

The previous prime is 3638851. The next prime is 3638879. The reversal of 3638853 is 3588363.

3638853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3638853 - 2¹ = 3638851 is a prime.

3638853 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3638851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8583 + ... + 8996.

It is an arithmetic number, because the mean of its divisors is an integer number (457080).

Almost surely, 2^3638853 is an apocalyptic number.

It is an amenable number.

3638853 is a deficient number, since it is larger than the sum of its proper divisors (1846107).

3638853 is a wasteful number, since it uses less digits than its factorization.

3638853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17608 (or 17605 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 3638853 is about 1907.5777834731. The cubic root of 3638853 is about 153.8112744070.

It can be divided in two parts, 363 and 8853, that added together give a square (9216 = 96²).

The spelling of 3638853 in words is "three million, six hundred thirty-eight thousand, eight hundred fifty-three".