238029047 has 6 divisors (see below), whose sum is σ = 248455368. Its totient is φ = 227609184.

The previous prime is 238029041. The next prime is 238029049. The reversal of 238029047 is 740920832.

It is not a de Polignac number, because 238029047 - 2¹⁶ = 237963511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238028998 and 238029016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238029041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72383 + ... + 75599.

It is an arithmetic number, because the mean of its divisors is an integer number (41409228).

Almost surely, 2^238029047 is an apocalyptic number.

238029047 is a deficient number, since it is larger than the sum of its proper divisors (10426321).

238029047 is an frugal number, since it uses more digits than its factorization.

238029047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457 (or 3240 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 238029047 is about 15428.1900104970. The cubic root of 238029047 is about 619.7406537573.

Adding to 238029047 its reverse (740920832), we get a palindrome (978949879).

The spelling of 238029047 in words is "two hundred thirty-eight million, twenty-nine thousand, forty-seven".