4912855 has 4 divisors (see below), whose sum is σ = 5895432. Its totient is φ = 3930280.

The previous prime is 4912841. The next prime is 4912891. The reversal of 4912855 is 5582194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5582194 = 2 ⋅2791097.

It is not a de Polignac number, because 4912855 - 2⁷ = 4912727 is a prime.

It is a super-2 number, since 2×4912855² = 48272288502050, which contains 22 as substring.

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 4912855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491281 + ... + 491290.

It is an arithmetic number, because the mean of its divisors is an integer number (1473858).

Almost surely, 2^4912855 is an apocalyptic number.

4912855 is a deficient number, since it is larger than the sum of its proper divisors (982577).

4912855 is an equidigital number, since it uses as much as digits as its factorization.

4912855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982576.

The product of its digits is 14400, while the sum is 34.

The square root of 4912855 is about 2216.4961087266. The cubic root of 4912855 is about 169.9983275499.

The spelling of 4912855 in words is "four million, nine hundred twelve thousand, eight hundred fifty-five".