4909895 has 4 divisors (see below), whose sum is σ = 5891880. Its totient is φ = 3927912.

The previous prime is 4909871. The next prime is 4909939. The reversal of 4909895 is 5989094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5989094 = 2 ⋅2994547.

It is a cyclic number.

It is not a de Polignac number, because 4909895 - 2¹² = 4905799 is a prime.

It is a super-2 number, since 2×4909895² = 48214137822050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 490985 + ... + 490994.

It is an arithmetic number, because the mean of its divisors is an integer number (1472970).

Almost surely, 2^4909895 is an apocalyptic number.

4909895 is a deficient number, since it is larger than the sum of its proper divisors (981985).

4909895 is an equidigital number, since it uses as much as digits as its factorization.

4909895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981984.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 4909895 is about 2215.8282875710. The cubic root of 4909895 is about 169.9641793040.

The spelling of 4909895 in words is "four million, nine hundred nine thousand, eight hundred ninety-five".