4963921 has 8 divisors (see below), whose sum is σ = 5266080. Its totient is φ = 4665888.

The previous prime is 4963909. The next prime is 4963943. The reversal of 4963921 is 1293694.

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 4963921 - 2¹⁵ = 4931153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4963961) 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, 1650 + ... + 3556.

It is an arithmetic number, because the mean of its divisors is an integer number (658260).

Almost surely, 2^4963921 is an apocalyptic number.

It is an amenable number.

4963921 is a deficient number, since it is larger than the sum of its proper divisors (302159).

4963921 is a wasteful number, since it uses less digits than its factorization.

4963921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063.

The product of its digits is 11664, while the sum is 34.

The square root of 4963921 is about 2227.9858617146. The cubic root of 4963921 is about 170.5853065945.

The spelling of 4963921 in words is "four million, nine hundred sixty-three thousand, nine hundred twenty-one".