49318 has 4 divisors (see below), whose sum is σ = 73980. Its totient is φ = 24658.

The previous prime is 49307. The next prime is 49331. The reversal of 49318 is 81394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81394 = 2 ⋅40697.

It is a junction number, because it is equal to n+sod(n) for n = 49292 and 49301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12328 + ... + 12331.

It is an arithmetic number, because the mean of its divisors is an integer number (18495).

2⁴⁹³¹⁸ is an apocalyptic number.

49318 is a deficient number, since it is larger than the sum of its proper divisors (24662).

49318 is a wasteful number, since it uses less digits than its factorization.

49318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24661.

The product of its digits is 864, while the sum is 25.

The square root of 49318 is about 222.0765633740. The cubic root of 49318 is about 36.6720469607.

The spelling of 49318 in words is "forty-nine thousand, three hundred eighteen".