238788212 has 18 divisors (see below), whose sum is σ = 452497878. Its totient is φ = 110209632.

The previous prime is 238788191. The next prime is 238788217. The reversal of 238788212 is 212887832.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2735716 + 236052496 = 1654^2 + 15364^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 238788212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238788217) 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 5 ways as a sum of consecutive naturals, for example, 175943 + ... + 177294.

It is an arithmetic number, because the mean of its divisors is an integer number (25138771).

Almost surely, 2^238788212 is an apocalyptic number.

It is an amenable number.

238788212 is a deficient number, since it is larger than the sum of its proper divisors (213709666).

238788212 is a wasteful number, since it uses less digits than its factorization.

238788212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353267 (or 353252 counting only the distinct ones).

The product of its digits is 86016, while the sum is 41.

The square root of 238788212 is about 15452.7736021725. The cubic root of 238788212 is about 620.3988172857.

The spelling of 238788212 in words is "two hundred thirty-eight million, seven hundred eighty-eight thousand, two hundred twelve".