384802881 has 4 divisors (see below), whose sum is σ = 513070512. Its totient is φ = 256535252.

The previous prime is 384802879. The next prime is 384802921. The reversal of 384802881 is 188208483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 384802881 - 2¹ = 384802879 is a prime.

It is a super-2 number, since 2×384802881² = 296146514451800322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (384802861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64133811 + ... + 64133816.

It is an arithmetic number, because the mean of its divisors is an integer number (128267628).

Almost surely, 2^384802881 is an apocalyptic number.

It is an amenable number.

384802881 is a deficient number, since it is larger than the sum of its proper divisors (128267631).

384802881 is a wasteful number, since it uses less digits than its factorization.

384802881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128267630.

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 384802881 is about 19616.3931699994. The cubic root of 384802881 is about 727.3544579601.

The spelling of 384802881 in words is "three hundred eighty-four million, eight hundred two thousand, eight hundred eighty-one".