384216455 has 16 divisors (see below), whose sum is σ = 527462400. Its totient is φ = 263194272.

The previous prime is 384216431. The next prime is 384216463. The reversal of 384216455 is 554612483.

It is a cyclic number.

It is not a de Polignac number, because 384216455 - 2¹⁰ = 384215431 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 32996 + ... + 43094.

It is an arithmetic number, because the mean of its divisors is an integer number (32966400).

Almost surely, 2^384216455 is an apocalyptic number.

384216455 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

384216455 is a deficient number, since it is larger than the sum of its proper divisors (143245945).

384216455 is a wasteful number, since it uses less digits than its factorization.

384216455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11198.

The product of its digits is 115200, while the sum is 38.

The square root of 384216455 is about 19601.4401256642. The cubic root of 384216455 is about 726.9847826041.

The spelling of 384216455 in words is "three hundred eighty-four million, two hundred sixteen thousand, four hundred fifty-five".