49843138 has 8 divisors (see below), whose sum is σ = 75075660. Its totient is φ = 24817920.

The previous prime is 49843091. The next prime is 49843147. The reversal of 49843138 is 83134894.

49843138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49182169 + 660969 = 7013^2 + 813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 49843138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51223 + ... + 52186.

Almost surely, 2^49843138 is an apocalyptic number.

49843138 is a deficient number, since it is larger than the sum of its proper divisors (25232522).

49843138 is a wasteful number, since it uses less digits than its factorization.

49843138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103652.

The product of its digits is 82944, while the sum is 40.

The square root of 49843138 is about 7059.9672803774. The cubic root of 49843138 is about 368.0174899139.

The spelling of 49843138 in words is "forty-nine million, eight hundred forty-three thousand, one hundred thirty-eight".