283934442 has 96 divisors (see below), whose sum is σ = 693261504. Its totient is φ = 76608000.

The previous prime is 283934407. The next prime is 283934479. The reversal of 283934442 is 244439382.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 283934442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 404692 + ... + 405392.

It is an arithmetic number, because the mean of its divisors is an integer number (7221474).

Almost surely, 2^283934442 is an apocalyptic number.

283934442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 283934442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346630752).

283934442 is an abundant number, since it is smaller than the sum of its proper divisors (409327062).

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

283934442 is a wasteful number, since it uses less digits than its factorization.

283934442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772 (or 753 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 283934442 is about 16850.3543582917. The cubic root of 283934442 is about 657.2632635747.

The spelling of 283934442 in words is "two hundred eighty-three million, nine hundred thirty-four thousand, four hundred forty-two".