4996921 has 8 divisors (see below), whose sum is σ = 5184000. Its totient is φ = 4811520.

The previous prime is 4996919. The next prime is 4996933. The reversal of 4996921 is 1296994.

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 4996921 - 2¹ = 4996919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4996991) 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, 10905 + ... + 11353.

It is an arithmetic number, because the mean of its divisors is an integer number (648000).

Almost surely, 2^4996921 is an apocalyptic number.

It is an amenable number.

4996921 is a deficient number, since it is larger than the sum of its proper divisors (187079).

4996921 is a wasteful number, since it uses less digits than its factorization.

4996921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839.

The product of its digits is 34992, while the sum is 40.

The square root of 4996921 is about 2235.3793861446. The cubic root of 4996921 is about 170.9624873541.

The spelling of 4996921 in words is "four million, nine hundred ninety-six thousand, nine hundred twenty-one".