4536478 has 16 divisors (see below), whose sum is σ = 7395840. Its totient is φ = 2079000.

The previous prime is 4536463. The next prime is 4536491. The reversal of 4536478 is 8746354.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 748 + ... + 3103.

It is an arithmetic number, because the mean of its divisors is an integer number (462240).

Almost surely, 2^4536478 is an apocalyptic number.

4536478 is a deficient number, since it is larger than the sum of its proper divisors (2859362).

4536478 is a wasteful number, since it uses less digits than its factorization.

4536478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903.

The product of its digits is 80640, while the sum is 37.

The square root of 4536478 is about 2129.9009366635. The cubic root of 4536478 is about 165.5412650425.

The spelling of 4536478 in words is "four million, five hundred thirty-six thousand, four hundred seventy-eight".