48186409 has 4 divisors (see below), whose sum is σ = 48397060. Its totient is φ = 47975760.

The previous prime is 48186407. The next prime is 48186419. The reversal of 48186409 is 90468184.

48186409 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.

It can be written as a sum of positive squares in 2 ways, for example, as 43191184 + 4995225 = 6572^2 + 2235^2 .

It is a cyclic number.

It is not a de Polignac number, because 48186409 - 2¹ = 48186407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48186407) 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, 104982 + ... + 105439.

It is an arithmetic number, because the mean of its divisors is an integer number (12099265).

Almost surely, 2^48186409 is an apocalyptic number.

It is an amenable number.

48186409 is a deficient number, since it is larger than the sum of its proper divisors (210651).

48186409 is a wasteful number, since it uses less digits than its factorization.

48186409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210650.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 48186409 is about 6941.6431052021. The cubic root of 48186409 is about 363.8939659149.

The spelling of 48186409 in words is "forty-eight million, one hundred eighty-six thousand, four hundred nine".