836346649 has 2 divisors, whose sum is σ = 836346650. Its totient is φ = 836346648.

The previous prime is 836346629. The next prime is 836346697. The reversal of 836346649 is 946643638.

836346649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 723986649 + 112360000 = 26907^2 + 10600^2 .

It is a cyclic number.

It is not a de Polignac number, because 836346649 - 2²¹ = 834249497 is a prime.

It is not a weakly prime, because it can be changed into another prime (836346629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418173324 + 418173325.

It is an arithmetic number, because the mean of its divisors is an integer number (418173325).

Almost surely, 2^836346649 is an apocalyptic number.

It is an amenable number.

836346649 is a deficient number, since it is larger than the sum of its proper divisors (1).

836346649 is an equidigital number, since it uses as much as digits as its factorization.

836346649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 49.

The square root of 836346649 is about 28919.6585214971. The cubic root of 836346649 is about 942.1689199165.

The spelling of 836346649 in words is "eight hundred thirty-six million, three hundred forty-six thousand, six hundred forty-nine".