238381028 has 6 divisors (see below), whose sum is σ = 417166806. Its totient is φ = 119190512.

The previous prime is 238381027. The next prime is 238381051. The reversal of 238381028 is 820183832.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 168792064 + 69588964 = 12992^2 + 8342^2 .

It is not an unprimeable number, because it can be changed into a prime (238381027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29797625 + ... + 29797632.

It is an arithmetic number, because the mean of its divisors is an integer number (69527801).

Almost surely, 2^238381028 is an apocalyptic number.

It is an amenable number.

238381028 is a deficient number, since it is larger than the sum of its proper divisors (178785778).

238381028 is a wasteful number, since it uses less digits than its factorization.

238381028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59595261 (or 59595259 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 238381028 is about 15439.5928702800. The cubic root of 238381028 is about 620.0459799407.

The spelling of 238381028 in words is "two hundred thirty-eight million, three hundred eighty-one thousand, twenty-eight".