4989895 has 8 divisors (see below), whose sum is σ = 6003504. Its totient is φ = 3981504.

The previous prime is 4989863. The next prime is 4989917. The reversal of 4989895 is 5989894.

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

It is a cyclic number.

It is not a de Polignac number, because 4989895 - 2⁵ = 4989863 is a prime.

It is a super-2 number, since 2×4989895² = 49798104222050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1267 + ... + 3403.

It is an arithmetic number, because the mean of its divisors is an integer number (750438).

Almost surely, 2^4989895 is an apocalyptic number.

4989895 is a deficient number, since it is larger than the sum of its proper divisors (1013609).

4989895 is a wasteful number, since it uses less digits than its factorization.

4989895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609.

The product of its digits is 933120, while the sum is 52.

The square root of 4989895 is about 2233.8072880175. The cubic root of 4989895 is about 170.8823215975.

Subtracting 4989895 from its reverse (5989894), we obtain a palindrome (999999).

The spelling of 4989895 in words is "four million, nine hundred eighty-nine thousand, eight hundred ninety-five".