789406049 has 2 divisors, whose sum is σ = 789406050. Its totient is φ = 789406048.

The previous prime is 789406003. The next prime is 789406061. The reversal of 789406049 is 940604987.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 776625424 + 12780625 = 27868^2 + 3575^2 .

It is a cyclic number.

It is not a de Polignac number, because 789406049 - 2²⁴ = 772628833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 789405994 and 789406012.

It is not a weakly prime, because it can be changed into another prime (789406249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394703024 + 394703025.

It is an arithmetic number, because the mean of its divisors is an integer number (394703025).

Almost surely, 2^789406049 is an apocalyptic number.

It is an amenable number.

789406049 is a deficient number, since it is larger than the sum of its proper divisors (1).

789406049 is an equidigital number, since it uses as much as digits as its factorization.

789406049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 789406049 is about 28096.3707442794. The cubic root of 789406049 is about 924.2018140946.

The spelling of 789406049 in words is "seven hundred eighty-nine million, four hundred six thousand, forty-nine".