384268428 has 48 divisors (see below), whose sum is σ = 1017461760. Its totient is φ = 125362512.

The previous prime is 384268427. The next prime is 384268433. The reversal of 384268428 is 824862483.

384268428 is a `hidden beast` number, since 384 + 268 + 4 + 2 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (384268427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32776 + ... + 42927.

It is an arithmetic number, because the mean of its divisors is an integer number (21197120).

Almost surely, 2^384268428 is an apocalyptic number.

It is an amenable number.

384268428 is an abundant number, since it is smaller than the sum of its proper divisors (633193332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

384268428 is a wasteful number, since it uses less digits than its factorization.

384268428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75763 (or 75755 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The square root of 384268428 is about 19602.7658252605. The cubic root of 384268428 is about 727.0175608954.

The spelling of 384268428 in words is "three hundred eighty-four million, two hundred sixty-eight thousand, four hundred twenty-eight".