49918 has 8 divisors (see below), whose sum is σ = 81720. Its totient is φ = 22680.

The previous prime is 49891. The next prime is 49919. The reversal of 49918 is 81994.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 49918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113 + ... + 1156.

It is an arithmetic number, because the mean of its divisors is an integer number (10215).

2⁴⁹⁹¹⁸ is an apocalyptic number.

49918 is a deficient number, since it is larger than the sum of its proper divisors (31802).

49918 is a wasteful number, since it uses less digits than its factorization.

49918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282.

The product of its digits is 2592, while the sum is 31.

The square root of 49918 is about 223.4233649375. The cubic root of 49918 is about 36.8201645946.

The spelling of 49918 in words is "forty-nine thousand, nine hundred eighteen".