34238405 has 4 divisors (see below), whose sum is σ = 41086092. Its totient is φ = 27390720.

The previous prime is 34238383. The next prime is 34238429. The reversal of 34238405 is 50483243.

34238405 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 26697889 + 7540516 = 5167^2 + 2746^2 .

It is not a de Polignac number, because 34238405 - 2¹² = 34234309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 3423836 + ... + 3423845.

It is an arithmetic number, because the mean of its divisors is an integer number (10271523).

Almost surely, 2^34238405 is an apocalyptic number.

It is an amenable number.

34238405 is a deficient number, since it is larger than the sum of its proper divisors (6847687).

34238405 is an equidigital number, since it uses as much as digits as its factorization.

34238405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6847686.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 34238405 is about 5851.3592437997. The cubic root of 34238405 is about 324.7166129301.

It can be divided in two parts, 34238 and 405, that added together give a palindrome (34643).

The spelling of 34238405 in words is "thirty-four million, two hundred thirty-eight thousand, four hundred five".