4973891 has 8 divisors (see below), whose sum is σ = 5458320. Its totient is φ = 4504032.

The previous prime is 4973887. The next prime is 4973897. The reversal of 4973891 is 1983794.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4973891 - 2² = 4973887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4973897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2921 + ... + 4298.

It is an arithmetic number, because the mean of its divisors is an integer number (682290).

Almost surely, 2^4973891 is an apocalyptic number.

4973891 is a deficient number, since it is larger than the sum of its proper divisors (484429).

4973891 is a wasteful number, since it uses less digits than its factorization.

4973891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7285.

The product of its digits is 54432, while the sum is 41.

The square root of 4973891 is about 2230.2221862406. Note that the first 3 decimals coincide. The cubic root of 4973891 is about 170.6994366768.

The spelling of 4973891 in words is "four million, nine hundred seventy-three thousand, eight hundred ninety-one".