238018741 has 2 divisors, whose sum is σ = 238018742. Its totient is φ = 238018740.

The previous prime is 238018723. The next prime is 238018769. The reversal of 238018741 is 147810832.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186896241 + 51122500 = 13671^2 + 7150^2 .

It is a cyclic number.

It is not a de Polignac number, because 238018741 - 2¹⁵ = 237985973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238018697 and 238018706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238018771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119009370 + 119009371.

It is an arithmetic number, because the mean of its divisors is an integer number (119009371).

Almost surely, 2^238018741 is an apocalyptic number.

It is an amenable number.

238018741 is a deficient number, since it is larger than the sum of its proper divisors (1).

238018741 is an equidigital number, since it uses as much as digits as its factorization.

238018741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 238018741 is about 15427.8560078839. The cubic root of 238018741 is about 619.7317092756.

The spelling of 238018741 in words is "two hundred thirty-eight million, eighteen thousand, seven hundred forty-one".