16285444 has 18 divisors (see below), whose sum is σ = 33152910. Its totient is φ = 6979392.

The previous prime is 16285421. The next prime is 16285457. The reversal of 16285444 is 44458261.

It can be written as a sum of positive squares in only one way, i.e., 9060100 + 7225344 = 3010^2 + 2688^2 .

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 41349 + ... + 41740.

Almost surely, 2^16285444 is an apocalyptic number.

16285444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16285444 is an abundant number, since it is smaller than the sum of its proper divisors (16867466).

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

16285444 is a wasteful number, since it uses less digits than its factorization.

16285444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83107 (or 83098 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 16285444 is about 4035.5227666314. The cubic root of 16285444 is about 253.4738732350.

The spelling of 16285444 in words is "sixteen million, two hundred eighty-five thousand, four hundred forty-four".