4721933 has 2 divisors, whose sum is σ = 4721934. Its totient is φ = 4721932.

The previous prime is 4721911. The next prime is 4721957. The reversal of 4721933 is 3391274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4721929 + 4 = 2173^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 4721933 - 2⁸ = 4721677 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4¹¹ + 7³ + 2¹⁹ + 1 + 9² + 3⁶ + 3⁷ .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4721896 and 4721905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4721963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2360966 + 2360967.

It is an arithmetic number, because the mean of its divisors is an integer number (2360967).

Almost surely, 2^4721933 is an apocalyptic number.

It is an amenable number.

4721933 is a deficient number, since it is larger than the sum of its proper divisors (1).

4721933 is an equidigital number, since it uses as much as digits as its factorization.

4721933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 4721933 is about 2173.0009203864. Note that the first 3 decimals coincide. The cubic root of 4721933 is about 167.7670263745.

The spelling of 4721933 in words is "four million, seven hundred twenty-one thousand, nine hundred thirty-three".