4242783 has 4 divisors (see below), whose sum is σ = 5657048. Its totient is φ = 2828520.

The previous prime is 4242781. The next prime is 4242829. The reversal of 4242783 is 3872424.

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

It is not a de Polignac number, because 4242783 - 2¹ = 4242781 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4242783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242781) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 707128 + ... + 707133.

It is an arithmetic number, because the mean of its divisors is an integer number (1414262).

Almost surely, 2^4242783 is an apocalyptic number.

4242783 is a deficient number, since it is larger than the sum of its proper divisors (1414265).

4242783 is a wasteful number, since it uses less digits than its factorization.

4242783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414264.

The product of its digits is 10752, while the sum is 30.

The square root of 4242783 is about 2059.8016894837. The cubic root of 4242783 is about 161.8888507501. Note that the first 4 decimals are identical.

The spelling of 4242783 in words is "four million, two hundred forty-two thousand, seven hundred eighty-three".