283740434 has 8 divisors (see below), whose sum is σ = 426398988. Its totient is φ = 141607440.

The previous prime is 283740409. The next prime is 283740439. The reversal of 283740434 is 434047382.

It can be written as a sum of positive squares in 2 ways, for example, as 278789809 + 4950625 = 16697^2 + 2225^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 283740394 and 283740403.

It is not an unprimeable number, because it can be changed into a prime (283740439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130037 + ... + 132200.

Almost surely, 2^283740434 is an apocalyptic number.

283740434 is a deficient number, since it is larger than the sum of its proper divisors (142658554).

283740434 is a wasteful number, since it uses less digits than its factorization.

283740434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262780.

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 283740434 is about 16844.5965816935. The cubic root of 283740434 is about 657.1135302017.

The spelling of 283740434 in words is "two hundred eighty-three million, seven hundred forty thousand, four hundred thirty-four".