3686352986 has 4 divisors (see below), whose sum is σ = 5529529482. Its totient is φ = 1843176492.

The previous prime is 3686352911. The next prime is 3686352997. The reversal of 3686352986 is 6892536863.

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., 3246150625 + 440202361 = 56975^2 + 20981^2 .

It is a super-2 number, since 2×3686352986² = 27178396674782232392, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 921588245 + ... + 921588248.

Almost surely, 2^3686352986 is an apocalyptic number.

3686352986 is a deficient number, since it is larger than the sum of its proper divisors (1843176496).

3686352986 is a wasteful number, since it uses less digits than its factorization.

3686352986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843176495.

The product of its digits is 11197440, while the sum is 56.

The square root of 3686352986 is about 60715.3439090976. The cubic root of 3686352986 is about 1544.7764482812.

The spelling of 3686352986 in words is "three billion, six hundred eighty-six million, three hundred fifty-two thousand, nine hundred eighty-six".