3638202 has 16 divisors (see below), whose sum is σ = 7344480. Its totient is φ = 1201392.

The previous prime is 3638183. The next prime is 3638203. The reversal of 3638202 is 2028363.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3638203) 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 7 ways as a sum of consecutive naturals, for example, 2128 + ... + 3435.

It is an arithmetic number, because the mean of its divisors is an integer number (459030).

Almost surely, 2^3638202 is an apocalyptic number.

3638202 is an abundant number, since it is smaller than the sum of its proper divisors (3706278).

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

3638202 is a wasteful number, since it uses less digits than its factorization.

3638202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3638202 is about 1907.4071405969. The cubic root of 3638202 is about 153.8021014513.

The spelling of 3638202 in words is "three million, six hundred thirty-eight thousand, two hundred two".