238884534 has 24 divisors (see below), whose sum is σ = 591523920. Its totient is φ = 68252688.

The previous prime is 238884533. The next prime is 238884539. The reversal of 238884534 is 435488832.

238884534 is a `hidden beast` number, since 2 + 38 + 8 + 84 + 534 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 238884534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238884533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 947829 + ... + 948080.

It is an arithmetic number, because the mean of its divisors is an integer number (24646830).

Almost surely, 2^238884534 is an apocalyptic number.

238884534 is an abundant number, since it is smaller than the sum of its proper divisors (352639386).

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

238884534 is a wasteful number, since it uses less digits than its factorization.

238884534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895924 (or 1895921 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 238884534 is about 15455.8899452604. The cubic root of 238884534 is about 620.4822245599.

The spelling of 238884534 in words is "two hundred thirty-eight million, eight hundred eighty-four thousand, five hundred thirty-four".