384740715 has 16 divisors (see below), whose sum is σ = 616665888. Its totient is φ = 204834816.

The previous prime is 384740683. The next prime is 384740717. The reversal of 384740715 is 517047483.

It is not a de Polignac number, because 384740715 - 2⁵ = 384740683 is a prime.

It is a super-2 number, since 2×384740715² = 296050835557422450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (384740717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13572 + ... + 30881.

It is an arithmetic number, because the mean of its divisors is an integer number (38541618).

Almost surely, 2^384740715 is an apocalyptic number.

384740715 is a deficient number, since it is larger than the sum of its proper divisors (231925173).

384740715 is a wasteful number, since it uses less digits than its factorization.

384740715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45038.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 384740715 is about 19614.8085639396. The cubic root of 384740715 is about 727.3152871235.

The spelling of 384740715 in words is "three hundred eighty-four million, seven hundred forty thousand, seven hundred fifteen".