238271801 has 4 divisors (see below), whose sum is σ = 246488100. Its totient is φ = 230055504.

The previous prime is 238271783. The next prime is 238271807. The reversal of 238271801 is 108172832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 158634025 + 79637776 = 12595^2 + 8924^2 .

It is a cyclic number.

It is not a de Polignac number, because 238271801 - 2¹⁸ = 238009657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238271807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4108106 + ... + 4108163.

It is an arithmetic number, because the mean of its divisors is an integer number (61622025).

Almost surely, 2^238271801 is an apocalyptic number.

It is an amenable number.

238271801 is a deficient number, since it is larger than the sum of its proper divisors (8216299).

238271801 is an equidigital number, since it uses as much as digits as its factorization.

238271801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8216298.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 238271801 is about 15436.0552279396. The cubic root of 238271801 is about 619.9512630785.

The spelling of 238271801 in words is "two hundred thirty-eight million, two hundred seventy-one thousand, eight hundred one".