238791064 has 16 divisors (see below), whose sum is σ = 448139520. Its totient is φ = 119287200.

The previous prime is 238791041. The next prime is 238791071. The reversal of 238791064 is 460197832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3759 + ... + 22174.

It is an arithmetic number, because the mean of its divisors is an integer number (28008720).

Almost surely, 2^238791064 is an apocalyptic number.

It is an amenable number.

238791064 is a deficient number, since it is larger than the sum of its proper divisors (209348456).

238791064 is a wasteful number, since it uses less digits than its factorization.

238791064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27090 (or 27086 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 238791064 is about 15452.8658830652. The cubic root of 238791064 is about 620.4012872155.

The spelling of 238791064 in words is "two hundred thirty-eight million, seven hundred ninety-one thousand, sixty-four".