49009198 has 24 divisors (see below), whose sum is σ = 89255952. Its totient is φ = 19766784.

The previous prime is 49009193. The next prime is 49009199. The reversal of 49009198 is 89190094.

It is a self number, because there is not a number n which added to its sum of digits gives 49009198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49009193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2011 + ... + 10102.

It is an arithmetic number, because the mean of its divisors is an integer number (3718998).

Almost surely, 2^49009198 is an apocalyptic number.

49009198 is a deficient number, since it is larger than the sum of its proper divisors (40246754).

49009198 is a wasteful number, since it uses less digits than its factorization.

49009198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12156 (or 12139 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 49009198 is about 7000.6569691708. The cubic root of 49009198 is about 365.9534663683.

The spelling of 49009198 in words is "forty-nine million, nine thousand, one hundred ninety-eight".