387720201 has 16 divisors (see below), whose sum is σ = 567748800. Its totient is φ = 233401920.

The previous prime is 387720199. The next prime is 387720217. The reversal of 387720201 is 102027783.

It is not a de Polignac number, because 387720201 - 2¹ = 387720199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (387720271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34510 + ... + 44343.

It is an arithmetic number, because the mean of its divisors is an integer number (35484300).

Almost surely, 2^387720201 is an apocalyptic number.

It is an amenable number.

387720201 is a deficient number, since it is larger than the sum of its proper divisors (180028599).

387720201 is a wasteful number, since it uses less digits than its factorization.

387720201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79016.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 387720201 is about 19690.6120016621. The cubic root of 387720201 is about 729.1879385461.

Adding to 387720201 its reverse (102027783), we get a palindrome (489747984).

The spelling of 387720201 in words is "three hundred eighty-seven million, seven hundred twenty thousand, two hundred one".