384649105 has 8 divisors (see below), whose sum is σ = 461709864. Its totient is φ = 307632000.

The previous prime is 384649099. The next prime is 384649117. The reversal of 384649105 is 501946483.

It can be written as a sum of positive squares in 4 ways, for example, as 104019601 + 280629504 = 10199^2 + 16752^2 .

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

It is not a de Polignac number, because 384649105 - 2¹⁷ = 384518033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13405 + ... + 30805.

It is an arithmetic number, because the mean of its divisors is an integer number (57713733).

Almost surely, 2^384649105 is an apocalyptic number.

It is an amenable number.

384649105 is a deficient number, since it is larger than the sum of its proper divisors (77060759).

384649105 is a wasteful number, since it uses less digits than its factorization.

384649105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21827.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 384649105 is about 19612.4731994718. The cubic root of 384649105 is about 727.2575559122.

The spelling of 384649105 in words is "three hundred eighty-four million, six hundred forty-nine thousand, one hundred five".