49902 has 8 divisors (see below), whose sum is σ = 99816. Its totient is φ = 16632.

The previous prime is 49891. The next prime is 49919. The reversal of 49902 is 20994.

It is a sphenic number, since it is the product of 3 distinct primes.

49902 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

49902 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4153 + ... + 4164.

It is an arithmetic number, because the mean of its divisors is an integer number (12477).

2⁴⁹⁹⁰² is an apocalyptic number.

49902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (49908).

49902 is a wasteful number, since it uses less digits than its factorization.

49902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8322.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 49902 is about 223.3875556068. The cubic root of 49902 is about 36.8162302384.

The spelling of 49902 in words is "forty-nine thousand, nine hundred two".