855444349 has 16 divisors (see below), whose sum is σ = 922129920. Its totient is φ = 791743680.

The previous prime is 855444347. The next prime is 855444371. The reversal of 855444349 is 943444558.

It is a cyclic number.

It is not a de Polignac number, because 855444349 - 2¹ = 855444347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 855444299 and 855444308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855444347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91747 + ... + 100639.

It is an arithmetic number, because the mean of its divisors is an integer number (57633120).

Almost surely, 2^855444349 is an apocalyptic number.

It is an amenable number.

855444349 is a deficient number, since it is larger than the sum of its proper divisors (66685571).

855444349 is a wasteful number, since it uses less digits than its factorization.

855444349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9060.

The product of its digits is 1382400, while the sum is 46.

The square root of 855444349 is about 29247.9802550535. The cubic root of 855444349 is about 949.2863889297.

The spelling of 855444349 in words is "eight hundred fifty-five million, four hundred forty-four thousand, three hundred forty-nine".