238277433 has 4 divisors (see below), whose sum is σ = 317703248. Its totient is φ = 158851620.

The previous prime is 238277411. The next prime is 238277443. The reversal of 238277433 is 334772832.

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 not a de Polignac number, because 238277433 - 2¹² = 238273337 is a prime.

It is a super-2 number, since 2×238277433² = 113552270154138978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238277391 and 238277400.

It is not an unprimeable number, because it can be changed into a prime (238277443) 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, 39712903 + ... + 39712908.

It is an arithmetic number, because the mean of its divisors is an integer number (79425812).

Almost surely, 2^238277433 is an apocalyptic number.

It is an amenable number.

238277433 is a deficient number, since it is larger than the sum of its proper divisors (79425815).

238277433 is an equidigital number, since it uses as much as digits as its factorization.

238277433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79425814.

The product of its digits is 169344, while the sum is 39.

The square root of 238277433 is about 15436.2376568904. The cubic root of 238277433 is about 619.9561476095.

The spelling of 238277433 in words is "two hundred thirty-eight million, two hundred seventy-seven thousand, four hundred thirty-three".