48789309 has 16 divisors (see below), whose sum is σ = 67096512. Its totient is φ = 31519488.

The previous prime is 48789289. The next prime is 48789311. The reversal of 48789309 is 90398784.

It is not a de Polignac number, because 48789309 - 2⁵ = 48789277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48789329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11349 + ... + 15045.

It is an arithmetic number, because the mean of its divisors is an integer number (4193532).

Almost surely, 2^48789309 is an apocalyptic number.

It is an amenable number.

48789309 is a deficient number, since it is larger than the sum of its proper divisors (18307203).

48789309 is a wasteful number, since it uses less digits than its factorization.

48789309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 48789309 is about 6984.9344306157. The cubic root of 48789309 is about 365.4053394004.

The spelling of 48789309 in words is "forty-eight million, seven hundred eighty-nine thousand, three hundred nine".