238801669 has 8 divisors (see below), whose sum is σ = 255170520. Its totient is φ = 222690816.

The previous prime is 238801643. The next prime is 238801699. The reversal of 238801669 is 966108832.

It can be written as a sum of positive squares in 4 ways, for example, as 116964225 + 121837444 = 10815^2 + 11038^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238801669 is a prime.

It is a super-2 number, since 2×238801669² = 114052474234371122, 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 (238801609) 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, 62584 + ... + 66289.

It is an arithmetic number, because the mean of its divisors is an integer number (31896315).

Almost surely, 2^238801669 is an apocalyptic number.

It is an amenable number.

238801669 is a deficient number, since it is larger than the sum of its proper divisors (16368851).

238801669 is a wasteful number, since it uses less digits than its factorization.

238801669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128999.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 238801669 is about 15453.2090194885. The cubic root of 238801669 is about 620.4104713368.

The spelling of 238801669 in words is "two hundred thirty-eight million, eight hundred one thousand, six hundred sixty-nine".