313846493 has 2 divisors, whose sum is σ = 313846494. Its totient is φ = 313846492.

The previous prime is 313846487. The next prime is 313846499. The reversal of 313846493 is 394648313.

It is a balanced prime because it is at equal distance from previous prime (313846487) and next prime (313846499).

It can be written as a sum of positive squares in only one way, i.e., 278289124 + 35557369 = 16682^2 + 5963^2 .

It is a cyclic number.

It is not a de Polignac number, because 313846493 - 2²⁰ = 312797917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313846493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313846499) by changing a digit.

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, 156923246 + 156923247.

It is an arithmetic number, because the mean of its divisors is an integer number (156923247).

Almost surely, 2^313846493 is an apocalyptic number.

It is an amenable number.

313846493 is a deficient number, since it is larger than the sum of its proper divisors (1).

313846493 is an equidigital number, since it uses as much as digits as its factorization.

313846493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 41.

The square root of 313846493 is about 17715.7131665649. The cubic root of 313846493 is about 679.5776594560.

The spelling of 313846493 in words is "three hundred thirteen million, eight hundred forty-six thousand, four hundred ninety-three".