4783945 has 4 divisors (see below), whose sum is σ = 5740740. Its totient is φ = 3827152.

The previous prime is 4783873. The next prime is 4783973. The reversal of 4783945 is 5493874.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2778889 + 2005056 = 1667^2 + 1416^2 .

It is a cyclic number.

It is not a de Polignac number, because 4783945 - 2⁹ = 4783433 is a prime.

It is a super-2 number, since 2×4783945² = 45772259526050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4783898 and 4783907.

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 3 ways as a sum of consecutive naturals, for example, 478390 + ... + 478399.

It is an arithmetic number, because the mean of its divisors is an integer number (1435185).

Almost surely, 2^4783945 is an apocalyptic number.

It is an amenable number.

4783945 is a deficient number, since it is larger than the sum of its proper divisors (956795).

4783945 is an equidigital number, since it uses as much as digits as its factorization.

4783945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956794.

The product of its digits is 120960, while the sum is 40.

The square root of 4783945 is about 2187.2231253350. The cubic root of 4783945 is about 168.4982492106.

The spelling of 4783945 in words is "four million, seven hundred eighty-three thousand, nine hundred forty-five".