49197218 has 32 divisors (see below), whose sum is σ = 89693568. Its totient is φ = 19756800.

The previous prime is 49197191. The next prime is 49197241. The reversal of 49197218 is 81279194.

49197218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 99953 + ... + 100443.

It is an arithmetic number, because the mean of its divisors is an integer number (2802924).

Almost surely, 2^49197218 is an apocalyptic number.

49197218 is a deficient number, since it is larger than the sum of its proper divisors (40496350).

49197218 is a wasteful number, since it uses less digits than its factorization.

49197218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938.

The product of its digits is 36288, while the sum is 41.

The square root of 49197218 is about 7014.0728539131. The cubic root of 49197218 is about 366.4208532416.

The spelling of 49197218 in words is "forty-nine million, one hundred ninety-seven thousand, two hundred eighteen".