438130 has 32 divisors (see below), whose sum is σ = 984960. Its totient is φ = 136320.

The previous prime is 438091. The next prime is 438131. The reversal of 438130 is 31834.

It is a junction number, because it is equal to n+sod(n) for n = 438098 and 438107.

It is not an unprimeable number, because it can be changed into a prime (438131) by changing a digit.

438130 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486 + ... + 1054.

It is an arithmetic number, because the mean of its divisors is an integer number (30780).

2⁴³⁸¹³⁰ is an apocalyptic number.

438130 is an abundant number, since it is smaller than the sum of its proper divisors (546830).

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

438130 is a wasteful number, since it uses less digits than its factorization.

438130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 438130 is about 661.9138916808. The cubic root of 438130 is about 75.9511458878.

Adding to 438130 its reverse (31834), we get a palindrome (469964).

The spelling of 438130 in words is "four hundred thirty-eight thousand, one hundred thirty".