49420 has 24 divisors (see below), whose sum is σ = 118944. Its totient is φ = 16896.

The previous prime is 49417. The next prime is 49429. The reversal of 49420 is 2494.

49420 = 81² + 82² + ... + 87².

It is not an unprimeable number, because it can be changed into a prime (49429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37 + ... + 316.

It is an arithmetic number, because the mean of its divisors is an integer number (4956).

2⁴⁹⁴²⁰ is an apocalyptic number.

It is an amenable number.

49420 is an abundant number, since it is smaller than the sum of its proper divisors (69524).

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 (59472).

49420 is a wasteful number, since it uses less digits than its factorization.

49420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 49420 is about 222.3060952831. The cubic root of 49420 is about 36.6973113875.

The spelling of 49420 in words is "forty-nine thousand, four hundred twenty".