34678393 has 4 divisors (see below), whose sum is σ = 35117440. Its totient is φ = 34239348.

The previous prime is 34678381. The next prime is 34678421. The reversal of 34678393 is 39387643.

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 34678393 - 2¹³ = 34670201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34678093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219405 + ... + 219562.

It is an arithmetic number, because the mean of its divisors is an integer number (8779360).

Almost surely, 2^34678393 is an apocalyptic number.

It is an amenable number.

34678393 is a deficient number, since it is larger than the sum of its proper divisors (439047).

34678393 is an equidigital number, since it uses as much as digits as its factorization.

34678393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439046.

The product of its digits is 326592, while the sum is 43.

The square root of 34678393 is about 5888.8363027002. The cubic root of 34678393 is about 326.1016438167.

The spelling of 34678393 in words is "thirty-four million, six hundred seventy-eight thousand, three hundred ninety-three".