333406849 has 2 divisors, whose sum is σ = 333406850. Its totient is φ = 333406848.

The previous prime is 333406847. The next prime is 333406859. The reversal of 333406849 is 948604333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330076224 + 3330625 = 18168^2 + 1825^2 .

It is a cyclic number.

It is not a de Polignac number, because 333406849 - 2¹ = 333406847 is a prime.

It is a super-2 number, since 2×333406849² = 222320253920217602, which contains 22 as substring.

Together with 333406847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (333406847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166703424 + 166703425.

It is an arithmetic number, because the mean of its divisors is an integer number (166703425).

Almost surely, 2^333406849 is an apocalyptic number.

It is an amenable number.

333406849 is a deficient number, since it is larger than the sum of its proper divisors (1).

333406849 is an equidigital number, since it uses as much as digits as its factorization.

333406849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 333406849 is about 18259.4317819586. The cubic root of 333406849 is about 693.4122435201.

The spelling of 333406849 in words is "three hundred thirty-three million, four hundred six thousand, eight hundred forty-nine".