49681886 has 16 divisors (see below), whose sum is σ = 78105600. Its totient is φ = 23656248.

The previous prime is 49681883. The next prime is 49681897. The reversal of 49681886 is 68818694.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49681883) 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, 8735 + ... + 13253.

It is an arithmetic number, because the mean of its divisors is an integer number (4881600).

Almost surely, 2^49681886 is an apocalyptic number.

49681886 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

49681886 is a deficient number, since it is larger than the sum of its proper divisors (28423714).

49681886 is a wasteful number, since it uses less digits than its factorization.

49681886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783.

The product of its digits is 663552, while the sum is 50.

The square root of 49681886 is about 7048.5378625641. The cubic root of 49681886 is about 367.6201923799.

The spelling of 49681886 in words is "forty-nine million, six hundred eighty-one thousand, eight hundred eighty-six".