4934821 has 4 divisors (see below), whose sum is σ = 4942144. Its totient is φ = 4927500.

The previous prime is 4934807. The next prime is 4934837. The reversal of 4934821 is 1284394.

4934821 is nontrivially palindromic in base 12.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1284394 = 2 ⋅642197.

It is a cyclic number.

It is not a de Polignac number, because 4934821 - 2¹³ = 4926629 is a prime.

It is a d-powerful number, because it can be written as 4³ + 9⁷ + 3⁹ + 4⁵ + 8 + 2¹⁷ + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4934221) 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, 2535 + ... + 4036.

It is an arithmetic number, because the mean of its divisors is an integer number (1235536).

Almost surely, 2^4934821 is an apocalyptic number.

It is an amenable number.

4934821 is a deficient number, since it is larger than the sum of its proper divisors (7323).

4934821 is an equidigital number, since it uses as much as digits as its factorization.

4934821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7322.

The product of its digits is 6912, while the sum is 31.

The square root of 4934821 is about 2221.4457004392. The cubic root of 4934821 is about 170.2513122678.

The spelling of 4934821 in words is "four million, nine hundred thirty-four thousand, eight hundred twenty-one".