238365401 has 4 divisors (see below), whose sum is σ = 240080400. Its totient is φ = 236650404.

The previous prime is 238365377. The next prime is 238365409. The reversal of 238365401 is 104563832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238365401 - 2¹⁰ = 238364377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238365409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857291 + ... + 857568.

It is an arithmetic number, because the mean of its divisors is an integer number (60020100).

Almost surely, 2^238365401 is an apocalyptic number.

It is an amenable number.

238365401 is a deficient number, since it is larger than the sum of its proper divisors (1714999).

238365401 is a wasteful number, since it uses less digits than its factorization.

238365401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714998.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 238365401 is about 15439.0867929421. The cubic root of 238365401 is about 620.0324306657.

The spelling of 238365401 in words is "two hundred thirty-eight million, three hundred sixty-five thousand, four hundred one".