49398859 has 4 divisors (see below), whose sum is σ = 49506016. Its totient is φ = 49291704.

The previous prime is 49398847. The next prime is 49398863. The reversal of 49398859 is 95889394.

49398859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95889394 = 2 ⋅47944697.

It is a cyclic number.

It is not a de Polignac number, because 49398859 - 2⁷ = 49398731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49398829) 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 3 ways as a sum of consecutive naturals, for example, 52884 + ... + 53809.

It is an arithmetic number, because the mean of its divisors is an integer number (12376504).

Almost surely, 2^49398859 is an apocalyptic number.

49398859 is a deficient number, since it is larger than the sum of its proper divisors (107157).

49398859 is a wasteful number, since it uses less digits than its factorization.

49398859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107156.

The product of its digits is 2799360, while the sum is 55.

The square root of 49398859 is about 7028.4321864837. The cubic root of 49398859 is about 366.9207782138.

The spelling of 49398859 in words is "forty-nine million, three hundred ninety-eight thousand, eight hundred fifty-nine".