383253156 has 144 divisors (see below), whose sum is σ = 1150269120. Its totient is φ = 106064640.

The previous prime is 383253149. The next prime is 383253191. The reversal of 383253156 is 651352383.

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

It is a self number, because there is not a number n which added to its sum of digits gives 383253156.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 560791 + ... + 561473.

It is an arithmetic number, because the mean of its divisors is an integer number (7987980).

Almost surely, 2^383253156 is an apocalyptic number.

383253156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383253156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575134560).

383253156 is an abundant number, since it is smaller than the sum of its proper divisors (767015964).

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

383253156 is a wasteful number, since it uses less digits than its factorization.

383253156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 821 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 383253156 is about 19576.8525560163. The cubic root of 383253156 is about 726.3767140848.

The spelling of 383253156 in words is "three hundred eighty-three million, two hundred fifty-three thousand, one hundred fifty-six".