48390389 has 4 divisors (see below), whose sum is σ = 48435756. Its totient is φ = 48345024.

The previous prime is 48390379. The next prime is 48390427. The reversal of 48390389 is 98309384.

48390389 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 27615025 + 20775364 = 5255^2 + 4558^2 .

It is a cyclic number.

It is not a de Polignac number, because 48390389 - 2²⁰ = 47341813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48390379) 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, 21044 + ... + 23229.

It is an arithmetic number, because the mean of its divisors is an integer number (12108939).

Almost surely, 2^48390389 is an apocalyptic number.

It is an amenable number.

48390389 is a deficient number, since it is larger than the sum of its proper divisors (45367).

48390389 is a wasteful number, since it uses less digits than its factorization.

48390389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45366.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 48390389 is about 6956.3200760172. The cubic root of 48390389 is about 364.4067149130.

The spelling of 48390389 in words is "forty-eight million, three hundred ninety thousand, three hundred eighty-nine".