49287843 has 24 divisors (see below), whose sum is σ = 81756480. Its totient is φ = 28298160.

The previous prime is 49287803. The next prime is 49287851. The reversal of 49287843 is 34878294.

49287843 is a `hidden beast` number, since 492 + 87 + 84 + 3 = 666.

It is not a de Polignac number, because 49287843 - 2⁶ = 49287779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49287803) 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 23 ways as a sum of consecutive naturals, for example, 11221 + ... + 14982.

It is an arithmetic number, because the mean of its divisors is an integer number (3406520).

Almost surely, 2^49287843 is an apocalyptic number.

49287843 is a deficient number, since it is larger than the sum of its proper divisors (32468637).

49287843 is a wasteful number, since it uses less digits than its factorization.

49287843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26239 (or 26236 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 49287843 is about 7020.5301081898. The cubic root of 49287843 is about 366.6457068827.

The spelling of 49287843 in words is "forty-nine million, two hundred eighty-seven thousand, eight hundred forty-three".