789936949 has 2 divisors, whose sum is σ = 789936950. Its totient is φ = 789936948.

The previous prime is 789936883. The next prime is 789937063. The reversal of 789936949 is 949639987.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432348849 + 357588100 = 20793^2 + 18910^2 .

It is a cyclic number.

It is not a de Polignac number, because 789936949 - 2⁹ = 789936437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (789930949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394968474 + 394968475.

It is an arithmetic number, because the mean of its divisors is an integer number (394968475).

Almost surely, 2^789936949 is an apocalyptic number.

It is an amenable number.

789936949 is a deficient number, since it is larger than the sum of its proper divisors (1).

789936949 is an equidigital number, since it uses as much as digits as its factorization.

789936949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26453952, while the sum is 64.

The square root of 789936949 is about 28105.8169957751. The cubic root of 789936949 is about 924.4089524405.

The spelling of 789936949 in words is "seven hundred eighty-nine million, nine hundred thirty-six thousand, nine hundred forty-nine".