786949 has 2 divisors, whose sum is σ = 786950. Its totient is φ = 786948.

The previous prime is 786941. The next prime is 786959. The reversal of 786949 is 949687.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 777924 + 9025 = 882^2 + 95^2 .

It is an emirp because it is prime and its reverse (949687) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 786949 - 2³ = 786941 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (786941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393474 + 393475.

It is an arithmetic number, because the mean of its divisors is an integer number (393475).

2⁷⁸⁶⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

786949 is a deficient number, since it is larger than the sum of its proper divisors (1).

786949 is an equidigital number, since it uses as much as digits as its factorization.

786949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 786949 is about 887.1014598117. The cubic root of 786949 is about 92.3241949306.

The spelling of 786949 in words is "seven hundred eighty-six thousand, nine hundred forty-nine".