238794534 has 64 divisors (see below), whose sum is σ = 586932480. Its totient is φ = 71357760.

The previous prime is 238794481. The next prime is 238794539. The reversal of 238794534 is 435497832.

238794534 is a `hidden beast` number, since 23 + 8 + 7 + 94 + 534 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 238794534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238794539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40609 + ... + 46115.

It is an arithmetic number, because the mean of its divisors is an integer number (9170820).

Almost surely, 2^238794534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238794534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293466240).

238794534 is an abundant number, since it is smaller than the sum of its proper divisors (348137946).

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

238794534 is a wasteful number, since it uses less digits than its factorization.

238794534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602 (or 5596 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 238794534 is about 15452.9781595652. The cubic root of 238794534 is about 620.4042923280.

The spelling of 238794534 in words is "two hundred thirty-eight million, seven hundred ninety-four thousand, five hundred thirty-four".