283890484 has 6 divisors (see below), whose sum is σ = 496808354. Its totient is φ = 141945240.

The previous prime is 283890469. The next prime is 283890487. The reversal of 283890484 is 484098382.

It can be written as a sum of positive squares in only one way, i.e., 242674084 + 41216400 = 15578^2 + 6420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283890487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35486307 + ... + 35486314.

Almost surely, 2^283890484 is an apocalyptic number.

It is an amenable number.

283890484 is a deficient number, since it is larger than the sum of its proper divisors (212917870).

283890484 is a wasteful number, since it uses less digits than its factorization.

283890484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70972625 (or 70972623 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 283890484 is about 16849.0499435428. The cubic root of 283890484 is about 657.2293432215.

The spelling of 283890484 in words is "two hundred eighty-three million, eight hundred ninety thousand, four hundred eighty-four".