49863686 has 16 divisors (see below), whose sum is σ = 81751680. Its totient is φ = 22707840.

The previous prime is 49863677. The next prime is 49863689. The reversal of 49863686 is 68636894.

49863686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49863689) 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, 22601 + ... + 24708.

It is an arithmetic number, because the mean of its divisors is an integer number (5109480).

Almost surely, 2^49863686 is an apocalyptic number.

49863686 is a deficient number, since it is larger than the sum of its proper divisors (31887994).

49863686 is a wasteful number, since it uses less digits than its factorization.

49863686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47359.

The product of its digits is 1492992, while the sum is 50.

The square root of 49863686 is about 7061.4223779632. The cubic root of 49863686 is about 368.0680551121.

The spelling of 49863686 in words is "forty-nine million, eight hundred sixty-three thousand, six hundred eighty-six".