4993623 has 8 divisors (see below), whose sum is σ = 7398000. Its totient is φ = 3329064.

The previous prime is 4993621. The next prime is 4993627. The reversal of 4993623 is 3263994.

It is a happy number.

It is not a de Polignac number, because 4993623 - 2¹ = 4993621 is a prime.

It is a super-2 number, since 2×4993623² = 49872541332258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4993621) 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 7 ways as a sum of consecutive naturals, for example, 92448 + ... + 92501.

It is an arithmetic number, because the mean of its divisors is an integer number (924750).

Almost surely, 2^4993623 is an apocalyptic number.

4993623 is a deficient number, since it is larger than the sum of its proper divisors (2404377).

4993623 is a wasteful number, since it uses less digits than its factorization.

4993623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184958 (or 184952 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 4993623 is about 2234.6415819992. The cubic root of 4993623 is about 170.9248669625.

The spelling of 4993623 in words is "four million, nine hundred ninety-three thousand, six hundred twenty-three".