38684334 has 16 divisors (see below), whose sum is σ = 83320272. Its totient is φ = 11902848.

The previous prime is 38684287. The next prime is 38684339. The reversal of 38684334 is 43348683.

38684334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 38684292 and 38684301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38684339) 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 7 ways as a sum of consecutive naturals, for example, 247899 + ... + 248054.

It is an arithmetic number, because the mean of its divisors is an integer number (5207517).

Almost surely, 2^38684334 is an apocalyptic number.

38684334 is an abundant number, since it is smaller than the sum of its proper divisors (44635938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38684334 is a wasteful number, since it uses less digits than its factorization.

38684334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495971.

The product of its digits is 165888, while the sum is 39.

The square root of 38684334 is about 6219.6731425373. The cubic root of 38684334 is about 338.2037157617.

The spelling of 38684334 in words is "thirty-eight million, six hundred eighty-four thousand, three hundred thirty-four".