16287044 has 6 divisors (see below), whose sum is σ = 28502334. Its totient is φ = 8143520.

The previous prime is 16287043. The next prime is 16287049. The reversal of 16287044 is 44078261.

It can be written as a sum of positive squares in only one way, i.e., 12166144 + 4120900 = 3488^2 + 2030^2 .

It is a plaindrome in base 15.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 16287044.

It is not an unprimeable number, because it can be changed into a prime (16287043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2035877 + ... + 2035884.

It is an arithmetic number, because the mean of its divisors is an integer number (4750389).

Almost surely, 2^16287044 is an apocalyptic number.

It is an amenable number.

16287044 is a deficient number, since it is larger than the sum of its proper divisors (12215290).

16287044 is a wasteful number, since it uses less digits than its factorization.

16287044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071765 (or 4071763 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 16287044 is about 4035.7210012586. The cubic root of 16287044 is about 253.4821739997.

The spelling of 16287044 in words is "sixteen million, two hundred eighty-seven thousand, forty-four".