384906868 has 6 divisors (see below), whose sum is σ = 673587026. Its totient is φ = 192453432.

The previous prime is 384906853. The next prime is 384906869. The reversal of 384906868 is 868609483.

It can be written as a sum of positive squares in only one way, i.e., 215854864 + 169052004 = 14692^2 + 13002^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384906869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48113355 + ... + 48113362.

Almost surely, 2^384906868 is an apocalyptic number.

It is an amenable number.

384906868 is a deficient number, since it is larger than the sum of its proper divisors (288680158).

384906868 is a wasteful number, since it uses less digits than its factorization.

384906868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96226721 (or 96226719 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The square root of 384906868 is about 19619.0435036981. The cubic root of 384906868 is about 727.4199708064.

The spelling of 384906868 in words is "three hundred eighty-four million, nine hundred six thousand, eight hundred sixty-eight".