384974273 has 2 divisors, whose sum is σ = 384974274. Its totient is φ = 384974272.

The previous prime is 384974263. The next prime is 384974287. The reversal of 384974273 is 372479483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295255489 + 89718784 = 17183^2 + 9472^2 .

It is an emirp because it is prime and its reverse (372479483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 384974273 - 2⁶ = 384974209 is a prime.

It is not a weakly prime, because it can be changed into another prime (384974203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192487136 + 192487137.

It is an arithmetic number, because the mean of its divisors is an integer number (192487137).

Almost surely, 2^384974273 is an apocalyptic number.

It is an amenable number.

384974273 is a deficient number, since it is larger than the sum of its proper divisors (1).

384974273 is an equidigital number, since it uses as much as digits as its factorization.

384974273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 47.

The square root of 384974273 is about 19620.7612747314. The cubic root of 384974273 is about 727.4624303253.

The spelling of 384974273 in words is "three hundred eighty-four million, nine hundred seventy-four thousand, two hundred seventy-three".