384768881 has 8 divisors (see below), whose sum is σ = 439922304. Its totient is φ = 329662080.

The previous prime is 384768851. The next prime is 384768899. The reversal of 384768881 is 188867483.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 384768881 - 2¹⁴ = 384752497 is a prime.

It is a super-2 number, since 2×384768881² = 296094183571984322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384768851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8321 + ... + 28961.

It is an arithmetic number, because the mean of its divisors is an integer number (54990288).

Almost surely, 2^384768881 is an apocalyptic number.

It is an amenable number.

384768881 is a deficient number, since it is larger than the sum of its proper divisors (55153423).

384768881 is a wasteful number, since it uses less digits than its factorization.

384768881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23311.

The product of its digits is 2064384, while the sum is 53.

The square root of 384768881 is about 19615.5265287476. The cubic root of 384768881 is about 727.3330350610. Note that the first 3 decimals are identical.

The spelling of 384768881 in words is "three hundred eighty-four million, seven hundred sixty-eight thousand, eight hundred eighty-one".