86949293 has 2 divisors, whose sum is σ = 86949294. Its totient is φ = 86949292.

The previous prime is 86949287. The next prime is 86949307. The reversal of 86949293 is 39294968.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49519369 + 37429924 = 7037^2 + 6118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86949293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86949493) 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, 43474646 + 43474647.

It is an arithmetic number, because the mean of its divisors is an integer number (43474647).

Almost surely, 2^86949293 is an apocalyptic number.

It is an amenable number.

86949293 is a deficient number, since it is larger than the sum of its proper divisors (1).

86949293 is an equidigital number, since it uses as much as digits as its factorization.

86949293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 50.

The square root of 86949293 is about 9324.6604763927. The cubic root of 86949293 is about 443.0186591818.

The spelling of 86949293 in words is "eighty-six million, nine hundred forty-nine thousand, two hundred ninety-three".