283490642 has 4 divisors (see below), whose sum is σ = 425235966. Its totient is φ = 141745320.

The previous prime is 283490591. The next prime is 283490653. The reversal of 283490642 is 246094382.

It is a happy number.

283490642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 270306481 + 13184161 = 16441^2 + 3631^2 .

It is a junction number, because it is equal to n+sod(n) for n = 283490596 and 283490605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70872659 + ... + 70872662.

Almost surely, 2^283490642 is an apocalyptic number.

283490642 is a deficient number, since it is larger than the sum of its proper divisors (141745324).

283490642 is a wasteful number, since it uses less digits than its factorization.

283490642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141745323.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 283490642 is about 16837.1803458893. The cubic root of 283490642 is about 656.9206427661.

The spelling of 283490642 in words is "two hundred eighty-three million, four hundred ninety thousand, six hundred forty-two".