313758989 has 8 divisors (see below), whose sum is σ = 333361440. Its totient is φ = 294465456.

The previous prime is 313758971. The next prime is 313759067. The reversal of 313758989 is 989857313.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313758989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313758989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313758089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75134 + ... + 79199.

It is an arithmetic number, because the mean of its divisors is an integer number (41670180).

Almost surely, 2^313758989 is an apocalyptic number.

It is an amenable number.

313758989 is a deficient number, since it is larger than the sum of its proper divisors (19602451).

313758989 is a wasteful number, since it uses less digits than its factorization.

313758989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154459.

The product of its digits is 1632960, while the sum is 53.

The square root of 313758989 is about 17713.2433224410. The cubic root of 313758989 is about 679.5144955715.

It can be divided in two parts, 3137 and 58989, that added together give a palindrome (62126).

The spelling of 313758989 in words is "three hundred thirteen million, seven hundred fifty-eight thousand, nine hundred eighty-nine".