16449764 has 12 divisors (see below), whose sum is σ = 28880124. Its totient is φ = 8198304.

The previous prime is 16449743. The next prime is 16449817. The reversal of 16449764 is 46794461.

It can be written as a sum of positive squares in 2 ways, for example, as 369664 + 16080100 = 608^2 + 4010^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5219 + ... + 7754.

It is an arithmetic number, because the mean of its divisors is an integer number (2406677).

Almost surely, 2^16449764 is an apocalyptic number.

It is an amenable number.

16449764 is a deficient number, since it is larger than the sum of its proper divisors (12430360).

16449764 is a wasteful number, since it uses less digits than its factorization.

16449764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13294 (or 13292 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 16449764 is about 4055.8308643236. The cubic root of 16449764 is about 254.3235383585.

The spelling of 16449764 in words is "sixteen million, four hundred forty-nine thousand, seven hundred sixty-four".