1784428342 has 4 divisors (see below), whose sum is σ = 2676642516. Its totient is φ = 892214170.

The previous prime is 1784428333. The next prime is 1784428361. The reversal of 1784428342 is 2438244871.

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

It is a super-3 number, since 3×1784428342³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 446107084 + ... + 446107087.

It is an arithmetic number, because the mean of its divisors is an integer number (669160629).

Almost surely, 2^1784428342 is an apocalyptic number.

1784428342 is a deficient number, since it is larger than the sum of its proper divisors (892214174).

1784428342 is an equidigital number, since it uses as much as digits as its factorization.

1784428342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892214173.

The product of its digits is 344064, while the sum is 43.

The square root of 1784428342 is about 42242.4945049413. The cubic root of 1784428342 is about 1212.9224584090.

The spelling of 1784428342 in words is "one billion, seven hundred eighty-four million, four hundred twenty-eight thousand, three hundred forty-two".