49673638 has 16 divisors (see below), whose sum is σ = 89637120. Its totient is φ = 20168136.

The previous prime is 49673627. The next prime is 49673639. The reversal of 49673638 is 83637694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49673639) 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 7 ways as a sum of consecutive naturals, for example, 93106 + ... + 93637.

It is an arithmetic number, because the mean of its divisors is an integer number (5602320).

Almost surely, 2^49673638 is an apocalyptic number.

49673638 is a deficient number, since it is larger than the sum of its proper divisors (39963482).

49673638 is a wasteful number, since it uses less digits than its factorization.

49673638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186771.

The product of its digits is 653184, while the sum is 46.

The square root of 49673638 is about 7047.9527523955. The cubic root of 49673638 is about 367.5998476131.

The spelling of 49673638 in words is "forty-nine million, six hundred seventy-three thousand, six hundred thirty-eight".