438612 has 12 divisors (see below), whose sum is σ = 1023456. Its totient is φ = 146200.

The previous prime is 438611. The next prime is 438623. The reversal of 438612 is 216834.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18264 + ... + 18287.

It is an arithmetic number, because the mean of its divisors is an integer number (85288).

2⁴³⁸⁶¹² is an apocalyptic number.

It is an amenable number.

438612 is an abundant number, since it is smaller than the sum of its proper divisors (584844).

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

438612 is a wasteful number, since it uses less digits than its factorization.

438612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36558 (or 36556 counting only the distinct ones).

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

The square root of 438612 is about 662.2778872951. The cubic root of 438612 is about 75.9789877276.

The spelling of 438612 in words is "four hundred thirty-eight thousand, six hundred twelve".