384505434 has 16 divisors (see below), whose sum is σ = 854456640. Its totient is φ = 128168460.

The previous prime is 384505411. The next prime is 384505447. The reversal of 384505434 is 434505483.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3560182 + ... + 3560289.

It is an arithmetic number, because the mean of its divisors is an integer number (53403540).

Almost surely, 2^384505434 is an apocalyptic number.

384505434 is an abundant number, since it is smaller than the sum of its proper divisors (469951206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

384505434 is a wasteful number, since it uses less digits than its factorization.

384505434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7120482 (or 7120476 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 384505434 is about 19608.8101117839. The cubic root of 384505434 is about 727.1669981974.

The spelling of 384505434 in words is "three hundred eighty-four million, five hundred five thousand, four hundred thirty-four".