4942493 has 4 divisors (see below), whose sum is σ = 5157408. Its totient is φ = 4727580.

The previous prime is 4942411. The next prime is 4942501. The reversal of 4942493 is 3942494.

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 a cyclic number.

It is not a de Polignac number, because 4942493 - 2¹² = 4938397 is a prime.

It is a d-powerful number, because it can be written as 4² + 9⁴ + 4⁴ + 2¹⁵ + 4¹¹ + 9⁶ + 3¹¹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4942193) 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 3 ways as a sum of consecutive naturals, for example, 107423 + ... + 107468.

It is an arithmetic number, because the mean of its divisors is an integer number (1289352).

Almost surely, 2^4942493 is an apocalyptic number.

It is an amenable number.

4942493 is a deficient number, since it is larger than the sum of its proper divisors (214915).

4942493 is a wasteful number, since it uses less digits than its factorization.

4942493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214914.

The product of its digits is 31104, while the sum is 35.

The square root of 4942493 is about 2223.1718332149. The cubic root of 4942493 is about 170.3394945792.

Subtracting from 4942493 its reverse (3942494), we obtain a palindrome (999999).

The spelling of 4942493 in words is "four million, nine hundred forty-two thousand, four hundred ninety-three".