383772312 has 432 divisors, whose sum is σ = 1419163200. Its totient is φ = 93139200.

The previous prime is 383772293. The next prime is 383772349. The reversal of 383772312 is 213277383.

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

It is a nude number because it is divisible by every one of its digits.

Its product of digits (42336) is a multiple of the sum of its prime factors (108).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 12379737 + ... + 12379767.

It is an arithmetic number, because the mean of its divisors is an integer number (3285100).

Almost surely, 2^383772312 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 383772312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709581600).

383772312 is an abundant number, since it is smaller than the sum of its proper divisors (1035390888).

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

383772312 is a wasteful number, since it uses less digits than its factorization.

383772312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 83 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 383772312 is about 19590.1075035335. The cubic root of 383772312 is about 726.7045502045.

The spelling of 383772312 in words is "three hundred eighty-three million, seven hundred seventy-two thousand, three hundred twelve".