34181393 has 4 divisors (see below), whose sum is σ = 34386240. Its totient is φ = 33976548.

The previous prime is 34181387. The next prime is 34181479. The reversal of 34181393 is 39318143.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 34181393 - 2⁸ = 34181137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34181353) 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, 102173 + ... + 102506.

It is an arithmetic number, because the mean of its divisors is an integer number (8596560).

Almost surely, 2^34181393 is an apocalyptic number.

It is an amenable number.

34181393 is a deficient number, since it is larger than the sum of its proper divisors (204847).

34181393 is a wasteful number, since it uses less digits than its factorization.

34181393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204846.

The product of its digits is 7776, while the sum is 32.

The square root of 34181393 is about 5846.4855255102. The cubic root of 34181393 is about 324.5362790961.

The spelling of 34181393 in words is "thirty-four million, one hundred eighty-one thousand, three hundred ninety-three".