4891975 has 12 divisors (see below), whose sum is σ = 6617880. Its totient is φ = 3557600.

The previous prime is 4891973. The next prime is 4891979. The reversal of 4891975 is 5791984.

It is not a de Polignac number, because 4891975 - 2¹ = 4891973 is a prime.

It is a d-powerful number, because it can be written as 4⁴ + 8⁵ + 9⁵ + 1 + 9⁷ + 7⁵ + 5³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4891973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8620 + ... + 9169.

It is an arithmetic number, because the mean of its divisors is an integer number (551490).

Almost surely, 2^4891975 is an apocalyptic number.

4891975 is a deficient number, since it is larger than the sum of its proper divisors (1725905).

4891975 is a wasteful number, since it uses less digits than its factorization.

4891975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17810 (or 17805 counting only the distinct ones).

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

The square root of 4891975 is about 2211.7809566049. The cubic root of 4891975 is about 169.7571503644.

Subtracting 4891975 from its reverse (5791984), we obtain a palindrome (900009).

The spelling of 4891975 in words is "four million, eight hundred ninety-one thousand, nine hundred seventy-five".