49870 has 8 divisors (see below), whose sum is σ = 89784. Its totient is φ = 19944.

The previous prime is 49853. The next prime is 49871. The reversal of 49870 is 7894.

49870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49871) by changing a digit.

49870 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, 2484 + ... + 2503.

It is an arithmetic number, because the mean of its divisors is an integer number (11223).

2⁴⁹⁸⁷⁰ is an apocalyptic number.

49870 is a deficient number, since it is larger than the sum of its proper divisors (39914).

49870 is a wasteful number, since it uses less digits than its factorization.

49870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 49870 is about 223.3159197191. The cubic root of 49870 is about 36.8083590022.

It can be divided in two parts, 49 and 870, that added together give a palindrome (919).

The spelling of 49870 in words is "forty-nine thousand, eight hundred seventy".