381573064 has 16 divisors (see below), whose sum is σ = 717021900. Its totient is φ = 190367232.

The previous prime is 381573061. The next prime is 381573083. The reversal of 381573064 is 460375183.

It can be written as a sum of positive squares in 2 ways, for example, as 337456900 + 44116164 = 18370^2 + 6642^2 .

It is not an unprimeable number, because it can be changed into a prime (381573061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48529 + ... + 55840.

Almost surely, 2^381573064 is an apocalyptic number.

It is an amenable number.

381573064 is a deficient number, since it is larger than the sum of its proper divisors (335448836).

381573064 is a wasteful number, since it uses less digits than its factorization.

381573064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104832 (or 104828 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 381573064 is about 19533.8952592666. The cubic root of 381573064 is about 725.3137375386.

The spelling of 381573064 in words is "three hundred eighty-one million, five hundred seventy-three thousand, sixty-four".