383281072 has 40 divisors (see below), whose sum is σ = 783543600. Its totient is φ = 181124352.

The previous prime is 383281069. The next prime is 383281097. The reversal of 383281072 is 270182383.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153498 + ... + 155974.

It is an arithmetic number, because the mean of its divisors is an integer number (19588590).

Almost surely, 2^383281072 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 383281072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391771800).

383281072 is an abundant number, since it is smaller than the sum of its proper divisors (400262528).

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

383281072 is a wasteful number, since it uses less digits than its factorization.

383281072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013 (or 3007 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 383281072 is about 19577.5655279200. The cubic root of 383281072 is about 726.3943499823.

The spelling of 383281072 in words is "three hundred eighty-three million, two hundred eighty-one thousand, seventy-two".