34018393 has 4 divisors (see below), whose sum is σ = 34086528. Its totient is φ = 33950260.

The previous prime is 34018367. The next prime is 34018409. The reversal of 34018393 is 39381043.

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 a de Polignac number, because none of the positive numbers 2^k-34018393 is a prime.

It is a super-3 number, since 3×34018393³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34018693) 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, 33313 + ... + 34318.

It is an arithmetic number, because the mean of its divisors is an integer number (8521632).

Almost surely, 2^34018393 is an apocalyptic number.

It is an amenable number.

34018393 is a deficient number, since it is larger than the sum of its proper divisors (68135).

34018393 is an equidigital number, since it uses as much as digits as its factorization.

34018393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68134.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 34018393 is about 5832.5288683383. The cubic root of 34018393 is about 324.0195874202.

The spelling of 34018393 in words is "thirty-four million, eighteen thousand, three hundred ninety-three".