34388381 has 8 divisors (see below), whose sum is σ = 36759744. Its totient is φ = 32090080.

The previous prime is 34388377. The next prime is 34388383. The reversal of 34388381 is 18388343.

It is a happy number.

34388381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34388381 - 2² = 34388377 is a prime.

It is a super-2 number, since 2×34388381² = 2365121495602322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34388383) 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, 17291 + ... + 19176.

It is an arithmetic number, because the mean of its divisors is an integer number (4594968).

Almost surely, 2^34388381 is an apocalyptic number.

It is an amenable number.

34388381 is a deficient number, since it is larger than the sum of its proper divisors (2371363).

34388381 is a wasteful number, since it uses less digits than its factorization.

34388381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36531.

The product of its digits is 55296, while the sum is 38.

The square root of 34388381 is about 5864.1607242640. The cubic root of 34388381 is about 325.1900458498.

Subtracting from 34388381 its sum of digits (38), we obtain a palindrome (34388343).

The spelling of 34388381 in words is "thirty-four million, three hundred eighty-eight thousand, three hundred eighty-one".