4993042 has 4 divisors (see below), whose sum is σ = 7489566. Its totient is φ = 2496520.

The previous prime is 4993007. The next prime is 4993049. The reversal of 4993042 is 2403994.

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

It can be written as a sum of positive squares in only one way, i.e., 2531281 + 2461761 = 1591^2 + 1569^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4992995 and 4993013.

It is not an unprimeable number, because it can be changed into a prime (4993049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1248259 + ... + 1248262.

Almost surely, 2^4993042 is an apocalyptic number.

4993042 is a deficient number, since it is larger than the sum of its proper divisors (2496524).

4993042 is a wasteful number, since it uses less digits than its factorization.

4993042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496523.

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

The square root of 4993042 is about 2234.5115797418. The cubic root of 4993042 is about 170.9182377610.

The spelling of 4993042 in words is "four million, nine hundred ninety-three thousand, forty-two".