381567572 has 6 divisors (see below), whose sum is σ = 667743258. Its totient is φ = 190783784.

The previous prime is 381567521. The next prime is 381567577. The reversal of 381567572 is 275765183.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 287166916 + 94400656 = 16946^2 + 9716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381567577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47695943 + ... + 47695950.

It is an arithmetic number, because the mean of its divisors is an integer number (111290543).

Almost surely, 2^381567572 is an apocalyptic number.

It is an amenable number.

381567572 is a deficient number, since it is larger than the sum of its proper divisors (286175686).

381567572 is a wasteful number, since it uses less digits than its factorization.

381567572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95391897 (or 95391895 counting only the distinct ones).

The product of its digits is 352800, while the sum is 44.

The square root of 381567572 is about 19533.7546826001. The cubic root of 381567572 is about 725.3102576964.

The spelling of 381567572 in words is "three hundred eighty-one million, five hundred sixty-seven thousand, five hundred seventy-two".