4896921 has 4 divisors (see below), whose sum is σ = 6529232. Its totient is φ = 3264612.

The previous prime is 4896887. The next prime is 4896923. The reversal of 4896921 is 1296984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4896921 - 2¹⁰ = 4895897 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4896921.

It is not an unprimeable number, because it can be changed into a prime (4896923) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 816151 + ... + 816156.

It is an arithmetic number, because the mean of its divisors is an integer number (1632308).

Almost surely, 2^4896921 is an apocalyptic number.

It is an amenable number.

4896921 is a deficient number, since it is larger than the sum of its proper divisors (1632311).

4896921 is a wasteful number, since it uses less digits than its factorization.

4896921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632310.

The product of its digits is 31104, while the sum is 39.

The square root of 4896921 is about 2212.8987776218. The cubic root of 4896921 is about 169.8143417210.

It can be divided in two parts, 48 and 96921, that added together give a palindrome (96969).

The spelling of 4896921 in words is "four million, eight hundred ninety-six thousand, nine hundred twenty-one".