238355828 has 6 divisors (see below), whose sum is σ = 417122706. Its totient is φ = 119177912.

The previous prime is 238355809. The next prime is 238355851. The reversal of 238355828 is 828553832.

It can be written as a sum of positive squares in only one way, i.e., 210772324 + 27583504 = 14518^2 + 5252^2 .

It is a congruent number.

It is an unprimeable number.

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, 29794475 + ... + 29794482.

It is an arithmetic number, because the mean of its divisors is an integer number (69520451).

Almost surely, 2^238355828 is an apocalyptic number.

It is an amenable number.

238355828 is a deficient number, since it is larger than the sum of its proper divisors (178766878).

238355828 is a wasteful number, since it uses less digits than its factorization.

238355828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59588961 (or 59588959 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The square root of 238355828 is about 15438.7767650161. The cubic root of 238355828 is about 620.0241301743.

The spelling of 238355828 in words is "two hundred thirty-eight million, three hundred fifty-five thousand, eight hundred twenty-eight".