4972855 has 4 divisors (see below), whose sum is σ = 5967432. Its totient is φ = 3978280.

The previous prime is 4972843. The next prime is 4972861. The reversal of 4972855 is 5582794.

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

It is not a de Polignac number, because 4972855 - 2⁷ = 4972727 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

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, 497281 + ... + 497290.

It is an arithmetic number, because the mean of its divisors is an integer number (1491858).

Almost surely, 2^4972855 is an apocalyptic number.

4972855 is a deficient number, since it is larger than the sum of its proper divisors (994577).

4972855 is an equidigital number, since it uses as much as digits as its factorization.

4972855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994576.

The product of its digits is 100800, while the sum is 40.

The square root of 4972855 is about 2229.9899102911. The cubic root of 4972855 is about 170.6875843265.

The spelling of 4972855 in words is "four million, nine hundred seventy-two thousand, eight hundred fifty-five".