638214 has 16 divisors (see below), whose sum is σ = 1351728. Its totient is φ = 200192.

The previous prime is 638201. The next prime is 638233. The reversal of 638214 is 412836.

It is a happy number.

638214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 3027 + ... + 3230.

It is an arithmetic number, because the mean of its divisors is an integer number (84483).

2⁶³⁸²¹⁴ is an apocalyptic number.

638214 is an abundant number, since it is smaller than the sum of its proper divisors (713514).

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

638214 is a wasteful number, since it uses less digits than its factorization.

638214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279.

The product of its digits is 1152, while the sum is 24.

The square root of 638214 is about 798.8829701527. The cubic root of 638214 is about 86.0971499931.

The spelling of 638214 in words is "six hundred thirty-eight thousand, two hundred fourteen".