4994042 has 4 divisors (see below), whose sum is σ = 7491066. Its totient is φ = 2497020.

The previous prime is 4993999. The next prime is 4994051. The reversal of 4994042 is 2404994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2404994 = 2 ⋅1202497.

It can be written as a sum of positive squares in only one way, i.e., 3759721 + 1234321 = 1939^2 + 1111^2 .

It is a d-powerful number, because it can be written as 4⁶ + 9 + 9⁶ + 4⁹ + 0 + 4¹¹ + 2¹¹ .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1248509 + ... + 1248512.

Almost surely, 2^4994042 is an apocalyptic number.

4994042 is a deficient number, since it is larger than the sum of its proper divisors (2497024).

4994042 is a wasteful number, since it uses less digits than its factorization.

4994042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497023.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 4994042 is about 2234.7353310851. The cubic root of 4994042 is about 170.9296474273.

The spelling of 4994042 in words is "four million, nine hundred ninety-four thousand, forty-two".