3687738986 has 8 divisors (see below), whose sum is σ = 5532101280. Its totient is φ = 1843705228.

The previous prime is 3687738983. The next prime is 3687738997. The reversal of 3687738986 is 6898377863.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3687738983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51836 + ... + 100311.

It is an arithmetic number, because the mean of its divisors is an integer number (691512660).

Almost surely, 2^3687738986 is an apocalyptic number.

3687738986 is a deficient number, since it is larger than the sum of its proper divisors (1844362294).

3687738986 is a wasteful number, since it uses less digits than its factorization.

3687738986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164268.

The product of its digits is 73156608, while the sum is 65.

The square root of 3687738986 is about 60726.7567551569. The cubic root of 3687738986 is about 1544.9700264047.

The spelling of 3687738986 in words is "three billion, six hundred eighty-seven million, seven hundred thirty-eight thousand, nine hundred eighty-six".