384869412 has 72 divisors (see below), whose sum is σ = 1008394296. Its totient is φ = 123669504.

The previous prime is 384869389. The next prime is 384869413. The reversal of 384869412 is 214968483.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25160256 + 359709156 = 5016^2 + 18966^2 .

It is not an unprimeable number, because it can be changed into a prime (384869413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149238 + ... + 151794.

Almost surely, 2^384869412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 384869412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504197148).

384869412 is an abundant number, since it is smaller than the sum of its proper divisors (623524884).

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

384869412 is a wasteful number, since it uses less digits than its factorization.

384869412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717 (or 2712 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 384869412 is about 19618.0888977494. The cubic root of 384869412 is about 727.3963745129.

The spelling of 384869412 in words is "three hundred eighty-four million, eight hundred sixty-nine thousand, four hundred twelve".