356872849 has 2 divisors, whose sum is σ = 356872850. Its totient is φ = 356872848.

The previous prime is 356872847. The next prime is 356872931. The reversal of 356872849 is 948278653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223054225 + 133818624 = 14935^2 + 11568^2 .

It is a cyclic number.

It is not a de Polignac number, because 356872849 - 2¹ = 356872847 is a prime.

Together with 356872847, it forms a pair of twin primes.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 356872796 and 356872805.

It is not a weakly prime, because it can be changed into another prime (356872847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178436424 + 178436425.

It is an arithmetic number, because the mean of its divisors is an integer number (178436425).

Almost surely, 2^356872849 is an apocalyptic number.

It is an amenable number.

356872849 is a deficient number, since it is larger than the sum of its proper divisors (1).

356872849 is an equidigital number, since it uses as much as digits as its factorization.

356872849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 52.

The square root of 356872849 is about 18891.0785557628. The cubic root of 356872849 is about 709.3128636059.

The spelling of 356872849 in words is "three hundred fifty-six million, eight hundred seventy-two thousand, eight hundred forty-nine".