313985986 has 8 divisors (see below), whose sum is σ = 478008720. Its totient is φ = 154649748.

The previous prime is 313985983. The next prime is 313985989. The reversal of 313985986 is 689589313.

It is an interprime number because it is at equal distance from previous prime (313985983) and next prime (313985989).

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 (313985983) 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, 1171456 + ... + 1171723.

It is an arithmetic number, because the mean of its divisors is an integer number (59751090).

Almost surely, 2^313985986 is an apocalyptic number.

313985986 is a deficient number, since it is larger than the sum of its proper divisors (164022734).

313985986 is a wasteful number, since it uses less digits than its factorization.

313985986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343248.

The product of its digits is 1399680, while the sum is 52.

The square root of 313985986 is about 17719.6497143708. The cubic root of 313985986 is about 679.6783268073.

The spelling of 313985986 in words is "three hundred thirteen million, nine hundred eighty-five thousand, nine hundred eighty-six".