38918343 has 4 divisors (see below), whose sum is σ = 51891128. Its totient is φ = 25945560.

The previous prime is 38918333. The next prime is 38918381. The reversal of 38918343 is 34381983.

38918343 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 is not a de Polignac number, because 38918343 - 2¹² = 38914247 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 (38918333) 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, 6486388 + ... + 6486393.

It is an arithmetic number, because the mean of its divisors is an integer number (12972782).

Almost surely, 2^38918343 is an apocalyptic number.

38918343 is a deficient number, since it is larger than the sum of its proper divisors (12972785).

38918343 is a wasteful number, since it uses less digits than its factorization.

38918343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12972784.

The product of its digits is 62208, while the sum is 39.

The square root of 38918343 is about 6238.4567803264. The cubic root of 38918343 is about 338.8842984518.

The spelling of 38918343 in words is "thirty-eight million, nine hundred eighteen thousand, three hundred forty-three".