385448272 has 20 divisors (see below), whose sum is σ = 814697856. Its totient is φ = 175203680.

The previous prime is 385448263. The next prime is 385448281. The reversal of 385448272 is 272844583.

It is an interprime number because it is at equal distance from previous prime (385448263) and next prime (385448281).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094848 + ... + 1095199.

Almost surely, 2^385448272 is an apocalyptic number.

It is an amenable number.

385448272 is an abundant number, since it is smaller than the sum of its proper divisors (429249584).

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

385448272 is a wasteful number, since it uses less digits than its factorization.

385448272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190066 (or 2190060 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The square root of 385448272 is about 19632.8365754926. The cubic root of 385448272 is about 727.7608702187.

The spelling of 385448272 in words is "three hundred eighty-five million, four hundred forty-eight thousand, two hundred seventy-two".