238623536 has 10 divisors (see below), whose sum is σ = 462333132. Its totient is φ = 119311760.

The previous prime is 238623533. The next prime is 238623557. The reversal of 238623536 is 635326832.

It is a self number, because there is not a number n which added to its sum of digits gives 238623536.

It is not an unprimeable number, because it can be changed into a prime (238623533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7456970 + ... + 7457001.

Almost surely, 2^238623536 is an apocalyptic number.

It is an amenable number.

238623536 is a deficient number, since it is larger than the sum of its proper divisors (223709596).

238623536 is a wasteful number, since it uses less digits than its factorization.

238623536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14913979 (or 14913973 counting only the distinct ones).

The product of its digits is 155520, while the sum is 38.

The square root of 238623536 is about 15447.4443193688. Note that the first 3 decimals coincide. The cubic root of 238623536 is about 620.2561688565.

The spelling of 238623536 in words is "two hundred thirty-eight million, six hundred twenty-three thousand, five hundred thirty-six".