49198791 has 8 divisors (see below), whose sum is σ = 65633904. Its totient is φ = 32781440.

The previous prime is 49198783. The next prime is 49198813. The reversal of 49198791 is 19789194.

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

It is a cyclic number.

It is not a de Polignac number, because 49198791 - 2³ = 49198783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49198791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49198711) 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 7 ways as a sum of consecutive naturals, for example, 4735 + ... + 10991.

It is an arithmetic number, because the mean of its divisors is an integer number (8204238).

Almost surely, 2^49198791 is an apocalyptic number.

49198791 is a deficient number, since it is larger than the sum of its proper divisors (16435113).

49198791 is a wasteful number, since it uses less digits than its factorization.

49198791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8881.

The product of its digits is 163296, while the sum is 48.

The square root of 49198791 is about 7014.1849847292. The cubic root of 49198791 is about 366.4247584344.

The spelling of 49198791 in words is "forty-nine million, one hundred ninety-eight thousand, seven hundred ninety-one".