384548965 has 4 divisors (see below), whose sum is σ = 461458764. Its totient is φ = 307639168.

The previous prime is 384548933. The next prime is 384548981. The reversal of 384548965 is 569845483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 569845483 = 11551 ⋅49333.

It can be written as a sum of positive squares in 2 ways, for example, as 86434209 + 298114756 = 9297^2 + 17266^2 .

It is a cyclic number.

It is not a de Polignac number, because 384548965 - 2⁵ = 384548933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38454892 + ... + 38454901.

It is an arithmetic number, because the mean of its divisors is an integer number (115364691).

Almost surely, 2^384548965 is an apocalyptic number.

It is an amenable number.

384548965 is a deficient number, since it is larger than the sum of its proper divisors (76909799).

384548965 is an equidigital number, since it uses as much as digits as its factorization.

384548965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76909798.

The product of its digits is 4147200, while the sum is 52.

The square root of 384548965 is about 19609.9200661298. The cubic root of 384548965 is about 727.1944387390.

The spelling of 384548965 in words is "three hundred eighty-four million, five hundred forty-eight thousand, nine hundred sixty-five".