49147844 has 12 divisors (see below), whose sum is σ = 86141244. Its totient is φ = 24536064.

The previous prime is 49147843. The next prime is 49147897. The reversal of 49147844 is 44874194.

It can be written as a sum of positive squares in 2 ways, for example, as 15507844 + 33640000 = 3938^2 + 5800^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (49147841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6437 + ... + 11820.

It is an arithmetic number, because the mean of its divisors is an integer number (7178437).

Almost surely, 2^49147844 is an apocalyptic number.

It is an amenable number.

49147844 is a deficient number, since it is larger than the sum of its proper divisors (36993400).

49147844 is a wasteful number, since it uses less digits than its factorization.

49147844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18934 (or 18932 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 49147844 is about 7010.5523320206. The cubic root of 49147844 is about 366.2982330370.

The spelling of 49147844 in words is "forty-nine million, one hundred forty-seven thousand, eight hundred forty-four".