384615742 has 8 divisors (see below), whose sum is σ = 659341296. Its totient is φ = 164835312.

The previous prime is 384615713. The next prime is 384615743. The reversal of 384615742 is 247516483.

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

It is a junction number, because it is equal to n+sod(n) for n = 384615695 and 384615704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384615743) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13736263 + ... + 13736290.

It is an arithmetic number, because the mean of its divisors is an integer number (82417662).

Almost surely, 2^384615742 is an apocalyptic number.

384615742 is a deficient number, since it is larger than the sum of its proper divisors (274725554).

384615742 is a wasteful number, since it uses less digits than its factorization.

384615742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27472562.

The product of its digits is 161280, while the sum is 40.

The square root of 384615742 is about 19611.6226253719. The cubic root of 384615742 is about 727.2365287864.

The spelling of 384615742 in words is "three hundred eighty-four million, six hundred fifteen thousand, seven hundred forty-two".