49721886 has 24 divisors (see below), whose sum is σ = 107864640. Its totient is φ = 16553376.

The previous prime is 49721869. The next prime is 49721899. The reversal of 49721886 is 68812794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22131 + ... + 24273.

It is an arithmetic number, because the mean of its divisors is an integer number (4494360).

Almost surely, 2^49721886 is an apocalyptic number.

49721886 is an abundant number, since it is smaller than the sum of its proper divisors (58142754).

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

49721886 is a wasteful number, since it uses less digits than its factorization.

49721886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440 (or 3437 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 49721886 is about 7051.3747595770. The cubic root of 49721886 is about 367.7188256663.

The spelling of 49721886 in words is "forty-nine million, seven hundred twenty-one thousand, eight hundred eighty-six".