384687434 has 8 divisors (see below), whose sum is σ = 586811520. Its totient is φ = 189083596.

The previous prime is 384687431. The next prime is 384687451. The reversal of 384687434 is 434786483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (384687431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1629914 + ... + 1630149.

It is an arithmetic number, because the mean of its divisors is an integer number (73351440).

Almost surely, 2^384687434 is an apocalyptic number.

384687434 is a deficient number, since it is larger than the sum of its proper divisors (202124086).

384687434 is a wasteful number, since it uses less digits than its factorization.

384687434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260124.

The product of its digits is 1548288, while the sum is 47.

The square root of 384687434 is about 19613.4503338908. The cubic root of 384687434 is about 727.2817113729.

The spelling of 384687434 in words is "three hundred eighty-four million, six hundred eighty-seven thousand, four hundred thirty-four".