4994157 has 16 divisors (see below), whose sum is σ = 7662080. Its totient is φ = 2834352.

The previous prime is 4994153. The next prime is 4994179. The reversal of 4994157 is 7514994.

It is not a de Polignac number, because 4994157 - 2² = 4994153 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4994153) 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 15 ways as a sum of consecutive naturals, for example, 2694 + ... + 4152.

It is an arithmetic number, because the mean of its divisors is an integer number (478880).

Almost surely, 2^4994157 is an apocalyptic number.

It is an amenable number.

4994157 is a deficient number, since it is larger than the sum of its proper divisors (2667923).

4994157 is a wasteful number, since it uses less digits than its factorization.

4994157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632.

The product of its digits is 45360, while the sum is 39.

The square root of 4994157 is about 2234.7610610533. The cubic root of 4994157 is about 170.9309594412.

It can be divided in two parts, 4994 and 157, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 4994157 in words is "four million, nine hundred ninety-four thousand, one hundred fifty-seven".