16449436 has 24 divisors (see below), whose sum is σ = 29917440. Its totient is φ = 7907952.

The previous prime is 16449427. The next prime is 16449449. The reversal of 16449436 is 63494461.

It is a junction number, because it is equal to n+sod(n) for n = 16449395 and 16449404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10351 + ... + 11833.

It is an arithmetic number, because the mean of its divisors is an integer number (1246560).

Almost surely, 2^16449436 is an apocalyptic number.

It is an amenable number.

16449436 is a deficient number, since it is larger than the sum of its proper divisors (13468004).

16449436 is a wasteful number, since it uses less digits than its factorization.

16449436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593 (or 1591 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 16449436 is about 4055.7904285108. The cubic root of 16449436 is about 254.3218479862.

The spelling of 16449436 in words is "sixteen million, four hundred forty-nine thousand, four hundred thirty-six".