4997849 has 4 divisors (see below), whose sum is σ = 5132964. Its totient is φ = 4862736.

The previous prime is 4997843. The next prime is 4997887. The reversal of 4997849 is 9487994.

4997849 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 2866249 + 2131600 = 1693^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 4997849 - 2⁸ = 4997593 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4997797 and 4997806.

It is not an unprimeable number, because it can be changed into a prime (4997843) 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, 67502 + ... + 67575.

It is an arithmetic number, because the mean of its divisors is an integer number (1283241).

Almost surely, 2^4997849 is an apocalyptic number.

It is an amenable number.

4997849 is a deficient number, since it is larger than the sum of its proper divisors (135115).

4997849 is a wasteful number, since it uses less digits than its factorization.

4997849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135114.

The product of its digits is 653184, while the sum is 50.

The square root of 4997849 is about 2235.5869475375. The cubic root of 4997849 is about 170.9730700954.

The spelling of 4997849 in words is "four million, nine hundred ninety-seven thousand, eight hundred forty-nine".