363638 has 8 divisors (see below), whose sum is σ = 595080. Its totient is φ = 165280.

The previous prime is 363619. The next prime is 363659. The reversal of 363638 is 836363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 363638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8243 + ... + 8286.

It is an arithmetic number, because the mean of its divisors is an integer number (74385).

2³⁶³⁶³⁸ is an apocalyptic number.

363638 is a deficient number, since it is larger than the sum of its proper divisors (231442).

363638 is a wasteful number, since it uses less digits than its factorization.

363638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16542.

The product of its digits is 7776, while the sum is 29.

The square root of 363638 is about 603.0240459551. The cubic root of 363638 is about 71.3766926151.

Subtracting from 363638 its sum of digits (29), we obtain a square (363609 = 603²).

It can be divided in two parts, 363 and 638, that added together give a palindrome (1001).

The spelling of 363638 in words is "three hundred sixty-three thousand, six hundred thirty-eight".