281974342 has 32 divisors (see below), whose sum is σ = 503278272. Its totient is φ = 117156864.

The previous prime is 281974333. The next prime is 281974361. The reversal of 281974342 is 243479182.

281974342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 281974295 and 281974304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3703 + ... + 24034.

It is an arithmetic number, because the mean of its divisors is an integer number (15727446).

Almost surely, 2^281974342 is an apocalyptic number.

281974342 is a deficient number, since it is larger than the sum of its proper divisors (221303930).

281974342 is a wasteful number, since it uses less digits than its factorization.

281974342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27792.

The product of its digits is 96768, while the sum is 40.

The square root of 281974342 is about 16792.0916505360. The cubic root of 281974342 is about 655.7473295087.

The spelling of 281974342 in words is "two hundred eighty-one million, nine hundred seventy-four thousand, three hundred forty-two".