16282089 has 6 divisors (see below), whose sum is σ = 23518586. Its totient is φ = 10854720.

The previous prime is 16282081. The next prime is 16282103. The reversal of 16282089 is 98028261.

16282089 is a `hidden beast` number, since 1 + 628 + 20 + 8 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16040025 + 242064 = 4005^2 + 492^2 .

It is not a de Polignac number, because 16282089 - 2³ = 16282081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16282081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 904552 + ... + 904569.

Almost surely, 2^16282089 is an apocalyptic number.

It is an amenable number.

16282089 is a deficient number, since it is larger than the sum of its proper divisors (7236497).

16282089 is a wasteful number, since it uses less digits than its factorization.

16282089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809127 (or 1809124 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 16282089 is about 4035.1070617767. The cubic root of 16282089 is about 253.4564658036.

The spelling of 16282089 in words is "sixteen million, two hundred eighty-two thousand, eighty-nine".