16449486 has 8 divisors (see below), whose sum is σ = 32898984. Its totient is φ = 5483160.

The previous prime is 16449479. The next prime is 16449491. The reversal of 16449486 is 68494461.

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

16449486 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370785 + ... + 1370796.

It is an arithmetic number, because the mean of its divisors is an integer number (4112373).

Almost surely, 2^16449486 is an apocalyptic number.

16449486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16449486 is a wasteful number, since it uses less digits than its factorization.

16449486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741586.

The product of its digits is 165888, while the sum is 42.

The square root of 16449486 is about 4055.7965925327. The cubic root of 16449486 is about 254.3221056664.

The spelling of 16449486 in words is "sixteen million, four hundred forty-nine thousand, four hundred eighty-six".