284609445 has 16 divisors (see below), whose sum is σ = 457002432. Its totient is φ = 151249280.

The previous prime is 284609401. The next prime is 284609447. The reversal of 284609445 is 544906482.

It is not a de Polignac number, because 284609445 - 2⁷ = 284609317 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 284609397 and 284609406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284609447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29547 + ... + 37976.

It is an arithmetic number, because the mean of its divisors is an integer number (28562652).

Almost surely, 2^284609445 is an apocalyptic number.

It is an amenable number.

284609445 is a deficient number, since it is larger than the sum of its proper divisors (172392987).

284609445 is a wasteful number, since it uses less digits than its factorization.

284609445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67812.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 284609445 is about 16870.3718097735. The cubic root of 284609445 is about 657.7836930624.

The spelling of 284609445 in words is "two hundred eighty-four million, six hundred nine thousand, four hundred forty-five".