4492993 has 4 divisors (see below), whose sum is σ = 4532868. Its totient is φ = 4453120.

The previous prime is 4492927. The next prime is 4492997. The reversal of 4492993 is 3992944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 199809 + 4293184 = 447^2 + 2072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4492993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4492997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19768 + ... + 19993.

It is an arithmetic number, because the mean of its divisors is an integer number (1133217).

Almost surely, 2^4492993 is an apocalyptic number.

It is an amenable number.

4492993 is a deficient number, since it is larger than the sum of its proper divisors (39875).

4492993 is a wasteful number, since it uses less digits than its factorization.

4492993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39874.

The product of its digits is 69984, while the sum is 40.

The square root of 4492993 is about 2119.6681344022. The cubic root of 4492993 is about 165.0106268026.

The spelling of 4492993 in words is "four million, four hundred ninety-two thousand, nine hundred ninety-three".