238039389 has 48 divisors (see below), whose sum is σ = 427385088. Its totient is φ = 124540416.

The previous prime is 238039381. The next prime is 238039393. The reversal of 238039389 is 983930832.

238039389 is a `hidden beast` number, since 238 + 0 + 39 + 389 = 666.

It is not a de Polignac number, because 238039389 - 2³ = 238039381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238039381) 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 47 ways as a sum of consecutive naturals, for example, 36624 + ... + 42630.

It is an arithmetic number, because the mean of its divisors is an integer number (8903856).

Almost surely, 2^238039389 is an apocalyptic number.

It is an amenable number.

238039389 is a deficient number, since it is larger than the sum of its proper divisors (189345699).

238039389 is a wasteful number, since it uses less digits than its factorization.

238039389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074 (or 6071 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 238039389 is about 15428.5251725497. The cubic root of 238039389 is about 619.7496292236.

The spelling of 238039389 in words is "two hundred thirty-eight million, thirty-nine thousand, three hundred eighty-nine".