34308381 has 4 divisors (see below), whose sum is σ = 45744512. Its totient is φ = 22872252.

The previous prime is 34308377. The next prime is 34308383. The reversal of 34308381 is 18380343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 34308381 - 2² = 34308377 is a prime.

It is a super-2 number, since 2×34308381² = 2354130013682322, 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 (34308383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5718061 + ... + 5718066.

It is an arithmetic number, because the mean of its divisors is an integer number (11436128).

Almost surely, 2^34308381 is an apocalyptic number.

It is an amenable number.

34308381 is a deficient number, since it is larger than the sum of its proper divisors (11436131).

34308381 is a wasteful number, since it uses less digits than its factorization.

34308381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11436130.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 34308381 is about 5857.3356571055. The cubic root of 34308381 is about 324.9376795692.

It can be divided in two parts, 3430 and 8381, that added together give a palindrome (11811).

The spelling of 34308381 in words is "thirty-four million, three hundred eight thousand, three hundred eighty-one".