238239773 has 4 divisors (see below), whose sum is σ = 248598048. Its totient is φ = 227881500.

The previous prime is 238239769. The next prime is 238239787. The reversal of 238239773 is 377932832.

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 238239773 - 2² = 238239769 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238239733) 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, 5179103 + ... + 5179148.

It is an arithmetic number, because the mean of its divisors is an integer number (62149512).

Almost surely, 2^238239773 is an apocalyptic number.

238239773 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

238239773 is a deficient number, since it is larger than the sum of its proper divisors (10358275).

238239773 is a wasteful number, since it uses less digits than its factorization.

238239773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10358274.

The product of its digits is 381024, while the sum is 44.

The square root of 238239773 is about 15435.0177518524. The cubic root of 238239773 is about 619.9234843139.

The spelling of 238239773 in words is "two hundred thirty-eight million, two hundred thirty-nine thousand, seven hundred seventy-three".