238474829 has 2 divisors, whose sum is σ = 238474830. Its totient is φ = 238474828.

The previous prime is 238474823. The next prime is 238474883. The reversal of 238474829 is 928474832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217562500 + 20912329 = 14750^2 + 4573^2 .

It is a cyclic number.

It is not a de Polignac number, because 238474829 - 2²⁰ = 237426253 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238474823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119237414 + 119237415.

It is an arithmetic number, because the mean of its divisors is an integer number (119237415).

Almost surely, 2^238474829 is an apocalyptic number.

It is an amenable number.

238474829 is a deficient number, since it is larger than the sum of its proper divisors (1).

238474829 is an equidigital number, since it uses as much as digits as its factorization.

238474829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 47.

The square root of 238474829 is about 15442.6302487627. The cubic root of 238474829 is about 620.1272969628.

The spelling of 238474829 in words is "two hundred thirty-eight million, four hundred seventy-four thousand, eight hundred twenty-nine".