49994218 has 8 divisors (see below), whose sum is σ = 75153312. Its totient is φ = 24943116.

The previous prime is 49994213. The next prime is 49994233. The reversal of 49994218 is 81249994.

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

It is not an unprimeable number, because it can be changed into a prime (49994213) 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 3 ways as a sum of consecutive naturals, for example, 25830 + ... + 27697.

It is an arithmetic number, because the mean of its divisors is an integer number (9394164).

Almost surely, 2^49994218 is an apocalyptic number.

49994218 is a deficient number, since it is larger than the sum of its proper divisors (25159094).

49994218 is a wasteful number, since it uses less digits than its factorization.

49994218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53996.

The product of its digits is 186624, while the sum is 46.

The square root of 49994218 is about 7070.6589509041. The cubic root of 49994218 is about 368.3889486032.

The spelling of 49994218 in words is "forty-nine million, nine hundred ninety-four thousand, two hundred eighteen".