283472644 has 36 divisors (see below), whose sum is σ = 621464844. Its totient is φ = 112142016.

The previous prime is 283472627. The next prime is 283472653. The reversal of 283472644 is 446274382.

283472644 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 122943744 + 160528900 = 11088^2 + 12670^2 .

It is a junction number, because it is equal to n+sod(n) for n = 283472597 and 283472606.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53079 + ... + 58174.

Almost surely, 2^283472644 is an apocalyptic number.

It is an amenable number.

283472644 is an abundant number, since it is smaller than the sum of its proper divisors (337992200).

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

283472644 is a wasteful number, since it uses less digits than its factorization.

283472644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111284 (or 111275 counting only the distinct ones).

The product of its digits is 258048, while the sum is 40.

The square root of 283472644 is about 16836.6458654923. The cubic root of 283472644 is about 656.9067404754.

The spelling of 283472644 in words is "two hundred eighty-three million, four hundred seventy-two thousand, six hundred forty-four".