4920493 has 2 divisors, whose sum is σ = 4920494. Its totient is φ = 4920492.

The previous prime is 4920473. The next prime is 4920499. The reversal of 4920493 is 3940294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3337929 + 1582564 = 1827^2 + 1258^2 .

It is a cyclic number.

It is not a de Polignac number, because 4920493 - 2¹³ = 4912301 is a prime.

It is a super-2 number, since 2×4920493² = 48422502726098, which contains 22 as substring.

4920493 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4920499) 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 as a sum of consecutive naturals, namely, 2460246 + 2460247.

It is an arithmetic number, because the mean of its divisors is an integer number (2460247).

Almost surely, 2^4920493 is an apocalyptic number.

It is an amenable number.

4920493 is a deficient number, since it is larger than the sum of its proper divisors (1).

4920493 is an equidigital number, since it uses as much as digits as its factorization.

4920493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 4920493 is about 2218.2184292806. The cubic root of 4920493 is about 170.0863805529.

The spelling of 4920493 in words is "four million, nine hundred twenty thousand, four hundred ninety-three".