384693461 has 2 divisors, whose sum is σ = 384693462. Its totient is φ = 384693460.

The previous prime is 384693457. The next prime is 384693479. The reversal of 384693461 is 164396483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317944561 + 66748900 = 17831^2 + 8170^2 .

It is a cyclic number.

It is not a de Polignac number, because 384693461 - 2² = 384693457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384693061) 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, 192346730 + 192346731.

It is an arithmetic number, because the mean of its divisors is an integer number (192346731).

Almost surely, 2^384693461 is an apocalyptic number.

It is an amenable number.

384693461 is a deficient number, since it is larger than the sum of its proper divisors (1).

384693461 is an equidigital number, since it uses as much as digits as its factorization.

384693461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 44.

The square root of 384693461 is about 19613.6039778517. The cubic root of 384693461 is about 727.2855095249.

The spelling of 384693461 in words is "three hundred eighty-four million, six hundred ninety-three thousand, four hundred sixty-one".