384834289 has 12 divisors (see below), whose sum is σ = 448590000. Its totient is φ = 329176008.

The previous prime is 384834283. The next prime is 384834293. The reversal of 384834289 is 982438483.

It is not a de Polignac number, because 384834289 - 2²¹ = 382737137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384834283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16582 + ... + 32320.

It is an arithmetic number, because the mean of its divisors is an integer number (37382500).

Almost surely, 2^384834289 is an apocalyptic number.

It is an amenable number.

384834289 is a deficient number, since it is larger than the sum of its proper divisors (63755711).

384834289 is a wasteful number, since it uses less digits than its factorization.

384834289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16252 (or 16245 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 49.

The square root of 384834289 is about 19617.1937085813. The cubic root of 384834289 is about 727.3742465571.

The spelling of 384834289 in words is "three hundred eighty-four million, eight hundred thirty-four thousand, two hundred eighty-nine".