238028629 has 2 divisors, whose sum is σ = 238028630. Its totient is φ = 238028628.

The previous prime is 238028617. The next prime is 238028647. The reversal of 238028629 is 926820832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215208900 + 22819729 = 14670^2 + 4777^2 .

It is a cyclic number.

It is not a de Polignac number, because 238028629 - 2⁹ = 238028117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238028591 and 238028600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238028429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119014314 + 119014315.

It is an arithmetic number, because the mean of its divisors is an integer number (119014315).

Almost surely, 2^238028629 is an apocalyptic number.

It is an amenable number.

238028629 is a deficient number, since it is larger than the sum of its proper divisors (1).

238028629 is an equidigital number, since it uses as much as digits as its factorization.

238028629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 238028629 is about 15428.1764638599. The cubic root of 238028629 is about 619.7402909840.

The spelling of 238028629 in words is "two hundred thirty-eight million, twenty-eight thousand, six hundred twenty-nine".