238001669 has 2 divisors, whose sum is σ = 238001670. Its totient is φ = 238001668.

The previous prime is 238001651. The next prime is 238001707. The reversal of 238001669 is 966100832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181225444 + 56776225 = 13462^2 + 7535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238001669 is a prime.

It is a super-2 number, since 2×238001669² = 113289588893571122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238001629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119000834 + 119000835.

It is an arithmetic number, because the mean of its divisors is an integer number (119000835).

Almost surely, 2^238001669 is an apocalyptic number.

It is an amenable number.

238001669 is a deficient number, since it is larger than the sum of its proper divisors (1).

238001669 is an equidigital number, since it uses as much as digits as its factorization.

238001669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 238001669 is about 15427.3027130474. The cubic root of 238001669 is about 619.7168920773.

The spelling of 238001669 in words is "two hundred thirty-eight million, one thousand, six hundred sixty-nine".