385738452 has 72 divisors (see below), whose sum is σ = 1083831840. Its totient is φ = 114678720.

The previous prime is 385738429. The next prime is 385738453. The reversal of 385738452 is 254837583.

385738452 is a `hidden beast` number, since 38 + 573 + 8 + 45 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 385738398 and 385738407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385738453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11799 + ... + 30177.

It is an arithmetic number, because the mean of its divisors is an integer number (15053220).

Almost surely, 2^385738452 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 385738452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541915920).

385738452 is an abundant number, since it is smaller than the sum of its proper divisors (698093388).

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

385738452 is a wasteful number, since it uses less digits than its factorization.

385738452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18453 (or 18448 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 385738452 is about 19640.2253551226. The cubic root of 385738452 is about 727.9434530204.

It can be divided in two parts, 385 and 738452, that added together give a palindrome (738837).

The spelling of 385738452 in words is "three hundred eighty-five million, seven hundred thirty-eight thousand, four hundred fifty-two".