4975891 has 8 divisors (see below), whose sum is σ = 5259200. Its totient is φ = 4694760.

The previous prime is 4975879. The next prime is 4975897. The reversal of 4975891 is 1985794.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4975891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4975897) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6856 + ... + 7546.

It is an arithmetic number, because the mean of its divisors is an integer number (657400).

Almost surely, 2^4975891 is an apocalyptic number.

4975891 is a deficient number, since it is larger than the sum of its proper divisors (283309).

4975891 is a wasteful number, since it uses less digits than its factorization.

4975891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089.

The product of its digits is 90720, while the sum is 43.

The square root of 4975891 is about 2230.6705269941. The cubic root of 4975891 is about 170.7223130074.

The spelling of 4975891 in words is "four million, nine hundred seventy-five thousand, eight hundred ninety-one".