384871073 has 2 divisors, whose sum is σ = 384871074. Its totient is φ = 384871072.

The previous prime is 384871063. The next prime is 384871079. The reversal of 384871073 is 370178483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358420624 + 26450449 = 18932^2 + 5143^2 .

It is a cyclic number.

It is not a de Polignac number, because 384871073 - 2⁸ = 384870817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 384871073.

It is not a weakly prime, because it can be changed into another prime (384871079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192435536 + 192435537.

It is an arithmetic number, because the mean of its divisors is an integer number (192435537).

Almost surely, 2^384871073 is an apocalyptic number.

It is an amenable number.

384871073 is a deficient number, since it is larger than the sum of its proper divisors (1).

384871073 is an equidigital number, since it uses as much as digits as its factorization.

384871073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 384871073 is about 19618.1312310831. The cubic root of 384871073 is about 727.3974209316.

The spelling of 384871073 in words is "three hundred eighty-four million, eight hundred seventy-one thousand, seventy-three".