4949855 has 4 divisors (see below), whose sum is σ = 5939832. Its totient is φ = 3959880.

The previous prime is 4949843. The next prime is 4949881. The reversal of 4949855 is 5589494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5589494 = 2 ⋅2794747.

It is not a de Polignac number, because 4949855 - 2⁸ = 4949599 is a prime.

It is an Ulam number.

It is a Duffinian number.

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, 494981 + ... + 494990.

It is an arithmetic number, because the mean of its divisors is an integer number (1484958).

Almost surely, 2^4949855 is an apocalyptic number.

4949855 is a deficient number, since it is larger than the sum of its proper divisors (989977).

4949855 is an equidigital number, since it uses as much as digits as its factorization.

4949855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989976.

The product of its digits is 259200, while the sum is 44.

The square root of 4949855 is about 2224.8269595634. The cubic root of 4949855 is about 170.4240279804.

The spelling of 4949855 in words is "four million, nine hundred forty-nine thousand, eight hundred fifty-five".