384693479 has 2 divisors, whose sum is σ = 384693480. Its totient is φ = 384693478.

The previous prime is 384693461. The next prime is 384693487. The reversal of 384693479 is 974396483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 384693479 - 2⁸ = 384693223 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 384693479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384693079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192346739 + 192346740.

It is an arithmetic number, because the mean of its divisors is an integer number (192346740).

Almost surely, 2^384693479 is an apocalyptic number.

384693479 is a deficient number, since it is larger than the sum of its proper divisors (1).

384693479 is an equidigital number, since it uses as much as digits as its factorization.

384693479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 53.

The square root of 384693479 is about 19613.6044367169. The cubic root of 384693479 is about 727.2855208682.

The spelling of 384693479 in words is "three hundred eighty-four million, six hundred ninety-three thousand, four hundred seventy-nine".