384242473 has 2 divisors, whose sum is σ = 384242474. Its totient is φ = 384242472.

The previous prime is 384242461. The next prime is 384242479. The reversal of 384242473 is 374242483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222367744 + 161874729 = 14912^2 + 12723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-384242473 is a prime.

It is not a weakly prime, because it can be changed into another prime (384242479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192121236 + 192121237.

It is an arithmetic number, because the mean of its divisors is an integer number (192121237).

Almost surely, 2^384242473 is an apocalyptic number.

It is an amenable number.

384242473 is a deficient number, since it is larger than the sum of its proper divisors (1).

384242473 is an equidigital number, since it uses as much as digits as its factorization.

384242473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 37.

The square root of 384242473 is about 19602.1037901548. The cubic root of 384242473 is about 727.0011919856.

The spelling of 384242473 in words is "three hundred eighty-four million, two hundred forty-two thousand, four hundred seventy-three".