386521452 has 72 divisors (see below), whose sum is σ = 1042868736. Its totient is φ = 120282624.

The previous prime is 386521451. The next prime is 386521477. The reversal of 386521452 is 254125683.

386521452 is a `hidden beast` number, since 3 + 86 + 521 + 4 + 52 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (386521451) 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, 75238 + ... + 80210.

It is an arithmetic number, because the mean of its divisors is an integer number (14484288).

Almost surely, 2^386521452 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 386521452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521434368).

386521452 is an abundant number, since it is smaller than the sum of its proper divisors (656347284).

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

386521452 is a wasteful number, since it uses less digits than its factorization.

386521452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127 (or 5122 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 386521452 is about 19660.1488295486. The cubic root of 386521452 is about 728.4356643387.

It can be divided in two parts, 38652 and 1452, that added together give a palindrome (40104).

The spelling of 386521452 in words is "three hundred eighty-six million, five hundred twenty-one thousand, four hundred fifty-two".