82438230 has 64 divisors (see below), whose sum is σ = 226874880. Its totient is φ = 18779904.

The previous prime is 82438229. The next prime is 82438231. The reversal of 82438230 is 3283428.

It is an interprime number because it is at equal distance from previous prime (82438229) and next prime (82438231).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82438231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95541 + ... + 96399.

It is an arithmetic number, because the mean of its divisors is an integer number (3544920).

Almost surely, 2^82438230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82438230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113437440).

82438230 is an abundant number, since it is smaller than the sum of its proper divisors (144436650).

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

82438230 is a wasteful number, since it uses less digits than its factorization.

82438230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 82438230 is about 9079.5500989862. The cubic root of 82438230 is about 435.2207097706.

The spelling of 82438230 in words is "eighty-two million, four hundred thirty-eight thousand, two hundred thirty".