49118 has 8 divisors (see below), whose sum is σ = 75600. Its totient is φ = 23920.

The previous prime is 49117. The next prime is 49121. The reversal of 49118 is 81194.

49118 = T₂₇ + T₂₈ + ... + T₆₇.

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

It is a junction number, because it is equal to n+sod(n) for n = 49093 and 49102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49117) by changing a digit.

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, 218 + ... + 381.

It is an arithmetic number, because the mean of its divisors is an integer number (9450).

2⁴⁹¹¹⁸ is an apocalyptic number.

49118 is a deficient number, since it is larger than the sum of its proper divisors (26482).

49118 is a wasteful number, since it uses less digits than its factorization.

49118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its digits is 288, while the sum is 23.

The square root of 49118 is about 221.6258107712. The cubic root of 49118 is about 36.6224075712.

Adding to 49118 its sum of digits (23), we get a triangular number (49141 = T₃₁₃).

The spelling of 49118 in words is "forty-nine thousand, one hundred eighteen".