384538734 has 24 divisors (see below), whose sum is σ = 834228720. Its totient is φ = 128016288.

The previous prime is 384538727. The next prime is 384538801. The reversal of 384538734 is 437835483.

384538734 is a `hidden beast` number, since 3 + 84 + 538 + 7 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 384538734.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1359 + ... + 27765.

It is an arithmetic number, because the mean of its divisors is an integer number (34759530).

Almost surely, 2^384538734 is an apocalyptic number.

384538734 is an abundant number, since it is smaller than the sum of its proper divisors (449689986).

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

384538734 is a wasteful number, since it uses less digits than its factorization.

384538734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27224 (or 27221 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 384538734 is about 19609.6592015262. The cubic root of 384538734 is about 727.1879896320.

The spelling of 384538734 in words is "three hundred eighty-four million, five hundred thirty-eight thousand, seven hundred thirty-four".