385472173 has 2 divisors, whose sum is σ = 385472174. Its totient is φ = 385472172.

The previous prime is 385472141. The next prime is 385472251. The reversal of 385472173 is 371274583.

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., 341621289 + 43850884 = 18483^2 + 6622^2 .

It is a cyclic number.

It is not a de Polignac number, because 385472173 - 2⁵ = 385472141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385472123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192736086 + 192736087.

It is an arithmetic number, because the mean of its divisors is an integer number (192736087).

Almost surely, 2^385472173 is an apocalyptic number.

It is an amenable number.

385472173 is a deficient number, since it is larger than the sum of its proper divisors (1).

385472173 is an equidigital number, since it uses as much as digits as its factorization.

385472173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The square root of 385472173 is about 19633.4452656685. The cubic root of 385472173 is about 727.7759123175.

The spelling of 385472173 in words is "three hundred eighty-five million, four hundred seventy-two thousand, one hundred seventy-three".