238957069 has 8 divisors (see below), whose sum is σ = 261557912. Its totient is φ = 216959040.

The previous prime is 238957031. The next prime is 238957073. The reversal of 238957069 is 960759832.

238957069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3948169 + 235008900 = 1987^2 + 15330^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238957069 - 2¹⁹ = 238432781 is a prime.

It is a super-2 number, since 2×238957069² = 114200961650141522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238957009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149874 + ... + 151459.

It is an arithmetic number, because the mean of its divisors is an integer number (32694739).

Almost surely, 2^238957069 is an apocalyptic number.

It is an amenable number.

238957069 is a deficient number, since it is larger than the sum of its proper divisors (22600843).

238957069 is a wasteful number, since it uses less digits than its factorization.

238957069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301407.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 238957069 is about 15458.2362836127. The cubic root of 238957069 is about 620.5450193655.

The spelling of 238957069 in words is "two hundred thirty-eight million, nine hundred fifty-seven thousand, sixty-nine".