49836 has 12 divisors (see below), whose sum is σ = 116312. Its totient is φ = 16608.

The previous prime is 49831. The next prime is 49843. The reversal of 49836 is 63894.

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 4⁴ + 9³ + 8 + 3⁷ + 6⁶ .

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (49831) by changing a digit.

49836 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2065 + ... + 2088.

2⁴⁹⁸³⁶ is an apocalyptic number.

It is an amenable number.

49836 is an abundant number, since it is smaller than the sum of its proper divisors (66476).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58156).

49836 is a wasteful number, since it uses less digits than its factorization.

49836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160 (or 4158 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 49836 is about 223.2397814011. The cubic root of 49836 is about 36.7999921235.

The spelling of 49836 in words is "forty-nine thousand, eight hundred thirty-six".