835479949 has 2 divisors, whose sum is σ = 835479950. Its totient is φ = 835479948.

The previous prime is 835479947. The next prime is 835479959. The reversal of 835479949 is 949974538.

835479949 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., 811224324 + 24255625 = 28482^2 + 4925^2 .

It is a cyclic number.

It is not a de Polignac number, because 835479949 - 2¹ = 835479947 is a prime.

Together with 835479947, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 835479893 and 835479902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (835479941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417739974 + 417739975.

It is an arithmetic number, because the mean of its divisors is an integer number (417739975).

Almost surely, 2^835479949 is an apocalyptic number.

It is an amenable number.

835479949 is a deficient number, since it is larger than the sum of its proper divisors (1).

835479949 is an equidigital number, since it uses as much as digits as its factorization.

835479949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9797760, while the sum is 58.

The square root of 835479949 is about 28904.6700206039. The cubic root of 835479949 is about 941.8433531444.

The spelling of 835479949 in words is "eight hundred thirty-five million, four hundred seventy-nine thousand, nine hundred forty-nine".