238803645 has 8 divisors (see below), whose sum is σ = 382085856. Its totient is φ = 127361936.

The previous prime is 238803623. The next prime is 238803667. The reversal of 238803645 is 546308832.

It is an interprime number because it is at equal distance from previous prime (238803623) and next prime (238803667).

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 238803645 - 2⁵ = 238803613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7960107 + ... + 7960136.

It is an arithmetic number, because the mean of its divisors is an integer number (47760732).

Almost surely, 2^238803645 is an apocalyptic number.

It is an amenable number.

238803645 is a deficient number, since it is larger than the sum of its proper divisors (143282211).

238803645 is a wasteful number, since it uses less digits than its factorization.

238803645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15920251.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 238803645 is about 15453.2729542968. The cubic root of 238803645 is about 620.4121825583.

The spelling of 238803645 in words is "two hundred thirty-eight million, eight hundred three thousand, six hundred forty-five".