384472272 has 80 divisors (see below), whose sum is σ = 1054968192. Its totient is φ = 120238080.

The previous prime is 384472271. The next prime is 384472327. The reversal of 384472272 is 272274483.

It is a self number, because there is not a number n which added to its sum of digits gives 384472272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384472271) 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, 372397 + ... + 373427.

Almost surely, 2^384472272 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 384472272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527484096).

384472272 is an abundant number, since it is smaller than the sum of its proper divisors (670495920).

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

384472272 is a wasteful number, since it uses less digits than its factorization.

384472272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 1510 counting only the distinct ones).

The product of its digits is 150528, while the sum is 39.

The square root of 384472272 is about 19607.9645042518. The cubic root of 384472272 is about 727.1460925498.

The spelling of 384472272 in words is "three hundred eighty-four million, four hundred seventy-two thousand, two hundred seventy-two".