16449772 has 12 divisors (see below), whose sum is σ = 28821520. Its totient is φ = 8215056.

The previous prime is 16449743. The next prime is 16449817. The reversal of 16449772 is 27794461.

16449772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2353 + ... + 6199.

Almost surely, 2^16449772 is an apocalyptic number.

It is an amenable number.

16449772 is a deficient number, since it is larger than the sum of its proper divisors (12371748).

16449772 is a wasteful number, since it uses less digits than its factorization.

16449772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920 (or 4918 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 16449772 is about 4055.8318505579. The cubic root of 16449772 is about 254.3235795868.

The spelling of 16449772 in words is "sixteen million, four hundred forty-nine thousand, seven hundred seventy-two".