238146473 has 2 divisors, whose sum is σ = 238146474. Its totient is φ = 238146472.

The previous prime is 238146451. The next prime is 238146499. The reversal of 238146473 is 374641832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153561664 + 84584809 = 12392^2 + 9197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238146473 is a prime.

It is a super-3 number, since 3×238146473³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (238146373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119073236 + 119073237.

It is an arithmetic number, because the mean of its divisors is an integer number (119073237).

Almost surely, 2^238146473 is an apocalyptic number.

It is an amenable number.

238146473 is a deficient number, since it is larger than the sum of its proper divisors (1).

238146473 is an equidigital number, since it uses as much as digits as its factorization.

238146473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 38.

The square root of 238146473 is about 15431.9951075679. The cubic root of 238146473 is about 619.8425484675.

The spelling of 238146473 in words is "two hundred thirty-eight million, one hundred forty-six thousand, four hundred seventy-three".