238398053 has 4 divisors (see below), whose sum is σ = 243470400. Its totient is φ = 233325708.

The previous prime is 238398047. The next prime is 238398113. The reversal of 238398053 is 350893832.

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 238398053 - 2¹² = 238393957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238398053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238398353) 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, 2536103 + ... + 2536196.

It is an arithmetic number, because the mean of its divisors is an integer number (60867600).

Almost surely, 2^238398053 is an apocalyptic number.

It is an amenable number.

238398053 is a deficient number, since it is larger than the sum of its proper divisors (5072347).

238398053 is an equidigital number, since it uses as much as digits as its factorization.

238398053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072346.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 238398053 is about 15440.1442026945. The cubic root of 238398053 is about 620.0607406672.

The spelling of 238398053 in words is "two hundred thirty-eight million, three hundred ninety-eight thousand, fifty-three".