238457956 has 12 divisors (see below), whose sum is σ = 455238000. Its totient is φ = 108389960.

The previous prime is 238457941. The next prime is 238457957. The reversal of 238457956 is 659754832.

It is not an unprimeable number, because it can be changed into a prime (238457957) 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 in 3 ways as a sum of consecutive naturals, for example, 2709706 + ... + 2709793.

It is an arithmetic number, because the mean of its divisors is an integer number (37936500).

Almost surely, 2^238457956 is an apocalyptic number.

It is an amenable number.

238457956 is a deficient number, since it is larger than the sum of its proper divisors (216780044).

238457956 is a wasteful number, since it uses less digits than its factorization.

238457956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419514 (or 5419512 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 49.

The square root of 238457956 is about 15442.0839267244. The cubic root of 238457956 is about 620.1126711639.

The spelling of 238457956 in words is "two hundred thirty-eight million, four hundred fifty-seven thousand, nine hundred fifty-six".