638362 has 16 divisors (see below), whose sum is σ = 1023840. Its totient is φ = 297648.

The previous prime is 638359. The next prime is 638371. The reversal of 638362 is 263836.

It is a d-powerful number, because it can be written as 6⁴ + 3⁸ + 3¹⁰ + 8³ + 6⁶ + 2¹⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 638362.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3988 + ... + 4144.

It is an arithmetic number, because the mean of its divisors is an integer number (63990).

2⁶³⁸³⁶² is an apocalyptic number.

638362 is a deficient number, since it is larger than the sum of its proper divisors (385478).

638362 is a wasteful number, since it uses less digits than its factorization.

638362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

The product of its digits is 5184, while the sum is 28.

The square root of 638362 is about 798.9755941204. The cubic root of 638362 is about 86.1038047063.

It can be divided in two parts, 638 and 362, that added together give a cube (1000 = 10³).

The spelling of 638362 in words is "six hundred thirty-eight thousand, three hundred sixty-two".