49201986 has 16 divisors (see below), whose sum is σ = 99873504. Its totient is φ = 16155744.

The previous prime is 49201981. The next prime is 49201987. The reversal of 49201986 is 68910294.

49201986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (49201981) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 60795 + ... + 61598.

It is an arithmetic number, because the mean of its divisors is an integer number (6242094).

Almost surely, 2^49201986 is an apocalyptic number.

49201986 is an abundant number, since it is smaller than the sum of its proper divisors (50671518).

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

49201986 is a wasteful number, since it uses less digits than its factorization.

49201986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122465.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 49201986 is about 7014.4127337932. The cubic root of 49201986 is about 366.4326902130.

The spelling of 49201986 in words is "forty-nine million, two hundred one thousand, nine hundred eighty-six".