283281402 has 8 divisors (see below), whose sum is σ = 566562816. Its totient is φ = 94427132.

The previous prime is 283281389. The next prime is 283281403. The reversal of 283281402 is 204182382.

It is a sphenic number, since it is the product of 3 distinct primes.

283281402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 283281402.

It is not an unprimeable number, because it can be changed into a prime (283281403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23606778 + ... + 23606789.

It is an arithmetic number, because the mean of its divisors is an integer number (70820352).

Almost surely, 2^283281402 is an apocalyptic number.

283281402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

283281402 is a wasteful number, since it uses less digits than its factorization.

283281402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47213572.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 283281402 is about 16830.9655694497. The cubic root of 283281402 is about 656.7589820427.

The spelling of 283281402 in words is "two hundred eighty-three million, two hundred eighty-one thousand, four hundred two".