382723220 has 96 divisors (see below), whose sum is σ = 936714240. Its totient is φ = 129951360.

The previous prime is 382723219. The next prime is 382723279. The reversal of 382723220 is 22327283.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216701 + ... + 218459.

It is an arithmetic number, because the mean of its divisors is an integer number (9757440).

Almost surely, 2^382723220 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 382723220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468357120).

382723220 is an abundant number, since it is smaller than the sum of its proper divisors (553991020).

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

382723220 is a wasteful number, since it uses less digits than its factorization.

382723220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845 (or 1843 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 382723220 is about 19563.3131140919. The cubic root of 382723220 is about 726.0417651349.

The spelling of 382723220 in words is "three hundred eighty-two million, seven hundred twenty-three thousand, two hundred twenty".