16002949 has 2 divisors, whose sum is σ = 16002950. Its totient is φ = 16002948.

The previous prime is 16002937. The next prime is 16002953. The reversal of 16002949 is 94920061.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14062500 + 1940449 = 3750^2 + 1393^2 .

It is a cyclic number.

It is not a de Polignac number, because 16002949 - 2¹³ = 15994757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16002949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16002919) 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, 8001474 + 8001475.

It is an arithmetic number, because the mean of its divisors is an integer number (8001475).

Almost surely, 2^16002949 is an apocalyptic number.

It is an amenable number.

16002949 is a deficient number, since it is larger than the sum of its proper divisors (1).

16002949 is an equidigital number, since it uses as much as digits as its factorization.

16002949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 16002949 is about 4000.3686080160. The cubic root of 16002949 is about 251.9996903078. Note that the first 3 decimals are identical.

The spelling of 16002949 in words is "sixteen million, two thousand, nine hundred forty-nine".