16790449 has 8 divisors (see below), whose sum is σ = 18705960. Its totient is φ = 14964096.

The previous prime is 16790447. The next prime is 16790491. The reversal of 16790449 is 94409761.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5094049 + 11696400 = 2257^2 + 3420^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16790449 - 2¹ = 16790447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16790447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21892 + ... + 22645.

It is an arithmetic number, because the mean of its divisors is an integer number (2338245).

Almost surely, 2^16790449 is an apocalyptic number.

It is an amenable number.

16790449 is a deficient number, since it is larger than the sum of its proper divisors (1915511).

16790449 is a wasteful number, since it uses less digits than its factorization.

16790449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44579.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 16790449 is about 4097.6150380435. The cubic root of 16790449 is about 256.0672888303.

The spelling of 16790449 in words is "sixteen million, seven hundred ninety thousand, four hundred forty-nine".