49879866 has 16 divisors (see below), whose sum is σ = 99863424. Its totient is φ = 16609344.

The previous prime is 49879849. The next prime is 49879867. The reversal of 49879866 is 66897894.

It is not an unprimeable number, because it can be changed into a prime (49879867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2850 + ... + 10386.

It is an arithmetic number, because the mean of its divisors is an integer number (6241464).

Almost surely, 2^49879866 is an apocalyptic number.

49879866 is an abundant number, since it is smaller than the sum of its proper divisors (49983558).

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

49879866 is a wasteful number, since it uses less digits than its factorization.

49879866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8645.

The product of its digits is 5225472, while the sum is 57.

The square root of 49879866 is about 7062.5679465758. The cubic root of 49879866 is about 368.1078616165.

The spelling of 49879866 in words is "forty-nine million, eight hundred seventy-nine thousand, eight hundred sixty-six".