383872212 has 72 divisors (see below), whose sum is σ = 991763136. Its totient is φ = 125161344.

The previous prime is 383872211. The next prime is 383872213. The reversal of 383872212 is 212278383.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (383872211) and next prime (383872213).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383872211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 402328 + ... + 403280.

It is an arithmetic number, because the mean of its divisors is an integer number (13774488).

Almost surely, 2^383872212 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 383872212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495881568).

383872212 is an abundant number, since it is smaller than the sum of its proper divisors (607890924).

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

383872212 is a wasteful number, since it uses less digits than its factorization.

383872212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197 (or 1192 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 383872212 is about 19592.6570939217. The cubic root of 383872212 is about 726.7676010325.

The spelling of 383872212 in words is "three hundred eighty-three million, eight hundred seventy-two thousand, two hundred twelve".