387572 has 6 divisors (see below), whose sum is σ = 678258. Its totient is φ = 193784.

The previous prime is 387551. The next prime is 387577. The reversal of 387572 is 275783.

It can be written as a sum of positive squares in only one way, i.e., 306916 + 80656 = 554^2 + 284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387577) by changing a digit.

387572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48443 + ... + 48450.

It is an arithmetic number, because the mean of its divisors is an integer number (113043).

2³⁸⁷⁵⁷² is an apocalyptic number.

It is an amenable number.

387572 is a deficient number, since it is larger than the sum of its proper divisors (290686).

387572 is a wasteful number, since it uses less digits than its factorization.

387572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96897 (or 96895 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 387572 is about 622.5528090050. The cubic root of 387572 is about 72.9095019173.

It can be divided in two parts, 387 and 572, that added together give a palindrome (959).

The spelling of 387572 in words is "three hundred eighty-seven thousand, five hundred seventy-two".