49418 has 4 divisors (see below), whose sum is σ = 74130. Its totient is φ = 24708.

The previous prime is 49417. The next prime is 49429. The reversal of 49418 is 81494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38809 + 10609 = 197^2 + 103^2 .

It is a d-powerful number, because it can be written as 4⁴ + 9 + 4⁷ + 1 + 8⁵ .

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (49411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12353 + ... + 12356.

2⁴⁹⁴¹⁸ is an apocalyptic number.

49418 is a deficient number, since it is larger than the sum of its proper divisors (24712).

49418 is a wasteful number, since it uses less digits than its factorization.

49418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24711.

The product of its digits is 1152, while the sum is 26.

The square root of 49418 is about 222.3015969353. The cubic root of 49418 is about 36.6968163409.

It can be divided in two parts, 494 and 18, that added together give a 9-th power (512 = 2⁹).

The spelling of 49418 in words is "forty-nine thousand, four hundred eighteen".