5043949 has 4 divisors (see below), whose sum is σ = 5309440. Its totient is φ = 4778460.

The previous prime is 5043947. The next prime is 5043953. The reversal of 5043949 is 9493405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9493405 = 5 ⋅1898681.

It is a cyclic number.

It is not a de Polignac number, because 5043949 - 2¹ = 5043947 is a prime.

It is an Ulam 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 (5043947) 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, 132717 + ... + 132754.

It is an arithmetic number, because the mean of its divisors is an integer number (1327360).

Almost surely, 2^5043949 is an apocalyptic number.

It is an amenable number.

5043949 is a deficient number, since it is larger than the sum of its proper divisors (265491).

5043949 is a wasteful number, since it uses less digits than its factorization.

5043949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265490.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 5043949 is about 2245.8737720540. The cubic root of 5043949 is about 171.4971454163.

The spelling of 5043949 in words is "five million, forty-three thousand, nine hundred forty-nine".