383274528 has 192 divisors, whose sum is σ = 1257322752. Its totient is φ = 99532800.

The previous prime is 383274511. The next prime is 383274539. The reversal of 383274528 is 825472383.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 383274528.

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, 637428 + ... + 638028.

It is an arithmetic number, because the mean of its divisors is an integer number (6548556).

Almost surely, 2^383274528 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 383274528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628661376).

383274528 is an abundant number, since it is smaller than the sum of its proper divisors (874048224).

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

383274528 is a wasteful number, since it uses less digits than its factorization.

383274528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 699 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 383274528 is about 19577.3983971313. The cubic root of 383274528 is about 726.3902158954.

It can be divided in two parts, 383 and 274528, that added together give a triangular number (274911 = T₇₄₁).

The spelling of 383274528 in words is "three hundred eighty-three million, two hundred seventy-four thousand, five hundred twenty-eight".