3123987386 has 8 divisors (see below), whose sum is σ = 5046441204. Its totient is φ = 1441840320.

The previous prime is 3123987379. The next prime is 3123987407. The reversal of 3123987386 is 6837893213.

It is a happy number.

3123987386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2315438161 + 808549225 = 48119^2 + 28435^2 .

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

It is a super-2 number, since 2×3123987386² = 19518594375774225992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60076655 + ... + 60076706.

Almost surely, 2^3123987386 is an apocalyptic number.

3123987386 is a deficient number, since it is larger than the sum of its proper divisors (1922453818).

3123987386 is a wasteful number, since it uses less digits than its factorization.

3123987386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120153376.

The product of its digits is 1306368, while the sum is 50.

The square root of 3123987386 is about 55892.6416087127. The cubic root of 3123987386 is about 1461.8509373108.

The spelling of 3123987386 in words is "three billion, one hundred twenty-three million, nine hundred eighty-seven thousand, three hundred eighty-six".