986640202 has 4 divisors (see below), whose sum is σ = 1479960306. Its totient is φ = 493320100.

The previous prime is 986640199. The next prime is 986640229. The reversal of 986640202 is 202046689.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 986525281 + 114921 = 31409^2 + 339^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246660049 + ... + 246660052.

Almost surely, 2^986640202 is an apocalyptic number.

986640202 is a deficient number, since it is larger than the sum of its proper divisors (493320104).

986640202 is a wasteful number, since it uses less digits than its factorization.

986640202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493320103.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 986640202 is about 31410.8293745963. The cubic root of 986640202 is about 995.5267539058.

The spelling of 986640202 in words is "nine hundred eighty-six million, six hundred forty thousand, two hundred two".