49842789 has 8 divisors (see below), whose sum is σ = 66505920. Its totient is φ = 33204096.

The previous prime is 49842769. The next prime is 49842791. The reversal of 49842789 is 98724894.

49842789 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 not a de Polignac number, because 49842789 - 2⁹ = 49842277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49842769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652 + ... + 10005.

It is an arithmetic number, because the mean of its divisors is an integer number (8313240).

Almost surely, 2^49842789 is an apocalyptic number.

It is an amenable number.

49842789 is a deficient number, since it is larger than the sum of its proper divisors (16663131).

49842789 is a wasteful number, since it uses less digits than its factorization.

49842789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12219.

The product of its digits is 1161216, while the sum is 51.

The square root of 49842789 is about 7059.9425635057. The cubic root of 49842789 is about 368.0166309631.

The spelling of 49842789 in words is "forty-nine million, eight hundred forty-two thousand, seven hundred eighty-nine".