49786398 has 48 divisors (see below), whose sum is σ = 114734880. Its totient is φ = 15567552.

The previous prime is 49786397. The next prime is 49786411. The reversal of 49786398 is 89368794.

49786398 is a `hidden beast` number, since 497 + 8 + 63 + 98 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49786391) 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 23 ways as a sum of consecutive naturals, for example, 20808 + ... + 23076.

It is an arithmetic number, because the mean of its divisors is an integer number (2390310).

Almost surely, 2^49786398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49786398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57367440).

49786398 is an abundant number, since it is smaller than the sum of its proper divisors (64948482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49786398 is a wasteful number, since it uses less digits than its factorization.

49786398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353 (or 2350 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 49786398 is about 7055.9477038878. The cubic root of 49786398 is about 367.8777900354.

The spelling of 49786398 in words is "forty-nine million, seven hundred eighty-six thousand, three hundred ninety-eight".