385279272 has 96 divisors (see below), whose sum is σ = 1196270400. Its totient is φ = 109734912.

The previous prime is 385279259. The next prime is 385279291. The reversal of 385279272 is 272972583.

385279272 is a `hidden beast` number, since 38 + 527 + 92 + 7 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190008 + ... + 192024.

It is an arithmetic number, because the mean of its divisors is an integer number (12461150).

Almost surely, 2^385279272 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 385279272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598135200).

385279272 is an abundant number, since it is smaller than the sum of its proper divisors (810991128).

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

385279272 is a wasteful number, since it uses less digits than its factorization.

385279272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415 (or 2408 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 385279272 is about 19628.5320897921. The cubic root of 385279272 is about 727.6544922897.

The spelling of 385279272 in words is "three hundred eighty-five million, two hundred seventy-nine thousand, two hundred seventy-two".