4909963 has 4 divisors (see below), whose sum is σ = 4953528. Its totient is φ = 4866400.

The previous prime is 4909939. The next prime is 4909969. The reversal of 4909963 is 3699094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4909963 - 2⁹ = 4909451 is a prime.

It is a super-2 number, since 2×4909963² = 48215473322738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4909969) 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 3 ways as a sum of consecutive naturals, for example, 21613 + ... + 21838.

It is an arithmetic number, because the mean of its divisors is an integer number (1238382).

Almost surely, 2^4909963 is an apocalyptic number.

4909963 is a deficient number, since it is larger than the sum of its proper divisors (43565).

4909963 is a wasteful number, since it uses less digits than its factorization.

4909963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43564.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 4909963 is about 2215.8436316672. The cubic root of 4909963 is about 169.9649639447.

The spelling of 4909963 in words is "four million, nine hundred nine thousand, nine hundred sixty-three".