16849042 has 12 divisors (see below), whose sum is σ = 29400030. Its totient is φ = 7220976.

The previous prime is 16849013. The next prime is 16849061. The reversal of 16849042 is 24094861.

It can be written as a sum of positive squares in only one way, i.e., 16654561 + 194481 = 4081^2 + 441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16848989 and 16849007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85867 + ... + 86062.

Almost surely, 2^16849042 is an apocalyptic number.

16849042 is a deficient number, since it is larger than the sum of its proper divisors (12550988).

16849042 is a wasteful number, since it uses less digits than its factorization.

16849042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171945 (or 171938 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 16849042 is about 4104.7584581800. The cubic root of 16849042 is about 256.3648058242.

The spelling of 16849042 in words is "sixteen million, eight hundred forty-nine thousand, forty-two".