387840202 has 8 divisors (see below), whose sum is σ = 587520612. Its totient is φ = 192000000.

The previous prime is 387840199. The next prime is 387840209. The reversal of 387840202 is 202048783.

It can be written as a sum of positive squares in 2 ways, for example, as 366301321 + 21538881 = 19139^2 + 4641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (387840209) 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, 959799 + ... + 960202.

Almost surely, 2^387840202 is an apocalyptic number.

387840202 is a deficient number, since it is larger than the sum of its proper divisors (199680410).

387840202 is a wasteful number, since it uses less digits than its factorization.

387840202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920104.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 387840202 is about 19693.6589287009. The cubic root of 387840202 is about 729.2631596768.

Adding to 387840202 its reverse (202048783), we get a palindrome (589888985).

The spelling of 387840202 in words is "three hundred eighty-seven million, eight hundred forty thousand, two hundred two".