4784457 has 4 divisors (see below), whose sum is σ = 6379280. Its totient is φ = 3189636.

The previous prime is 4784443. The next prime is 4784467. The reversal of 4784457 is 7544874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4784457 - 2¹⁰ = 4783433 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4784467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797407 + ... + 797412.

It is an arithmetic number, because the mean of its divisors is an integer number (1594820).

Almost surely, 2^4784457 is an apocalyptic number.

It is an amenable number.

4784457 is a deficient number, since it is larger than the sum of its proper divisors (1594823).

4784457 is a wasteful number, since it uses less digits than its factorization.

4784457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594822.

The product of its digits is 125440, while the sum is 39.

The square root of 4784457 is about 2187.3401655892. The cubic root of 4784457 is about 168.5042601511.

The spelling of 4784457 in words is "four million, seven hundred eighty-four thousand, four hundred fifty-seven".