4247493 has 4 divisors (see below), whose sum is σ = 5663328. Its totient is φ = 2831660.

The previous prime is 4247471. The next prime is 4247513. The reversal of 4247493 is 3947424.

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 4247493 - 2⁵ = 4247461 is a prime.

It is a d-powerful number, because it can be written as 4⁷ + 2 + 4⁷ + 7 + 4¹¹ + 9³ + 3⁹ .

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247443) 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, 707913 + ... + 707918.

It is an arithmetic number, because the mean of its divisors is an integer number (1415832).

Almost surely, 2^4247493 is an apocalyptic number.

It is an amenable number.

4247493 is a deficient number, since it is larger than the sum of its proper divisors (1415835).

4247493 is a wasteful number, since it uses less digits than its factorization.

4247493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415834.

The product of its digits is 24192, while the sum is 33.

The square root of 4247493 is about 2060.9446863029. The cubic root of 4247493 is about 161.9487339687.

The spelling of 4247493 in words is "four million, two hundred forty-seven thousand, four hundred ninety-three".