238549673 has 2 divisors, whose sum is σ = 238549674. Its totient is φ = 238549672.

The previous prime is 238549651. The next prime is 238549691. The reversal of 238549673 is 376945832.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234334864 + 4214809 = 15308^2 + 2053^2 .

It is a cyclic number.

It is not a de Polignac number, because 238549673 - 2⁸ = 238549417 is a prime.

It is not a weakly prime, because it can be changed into another prime (238549643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119274836 + 119274837.

It is an arithmetic number, because the mean of its divisors is an integer number (119274837).

Almost surely, 2^238549673 is an apocalyptic number.

It is an amenable number.

238549673 is a deficient number, since it is larger than the sum of its proper divisors (1).

238549673 is an equidigital number, since it uses as much as digits as its factorization.

238549673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 47.

The square root of 238549673 is about 15445.0533505068. The cubic root of 238549673 is about 620.1921646793.

The spelling of 238549673 in words is "two hundred thirty-eight million, five hundred forty-nine thousand, six hundred seventy-three".