34890943 has 4 divisors (see below), whose sum is σ = 34927848. Its totient is φ = 34854040.

The previous prime is 34890871. The next prime is 34890949. The reversal of 34890943 is 34909843.

34890943 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, and also an emirpimes, since its reverse is a distinct semiprime: 34909843 = 173 ⋅201791.

It is a cyclic number.

It is not a de Polignac number, because 34890943 - 2¹⁷ = 34759871 is a prime.

It is a Smith number, since the sum of its digits (40) 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 a junction number, because it is equal to n+sod(n) for n = 34890896 and 34890905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34890949) by changing a digit.

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, 16996 + ... + 18937.

It is an arithmetic number, because the mean of its divisors is an integer number (8731962).

Almost surely, 2^34890943 is an apocalyptic number.

34890943 is a deficient number, since it is larger than the sum of its proper divisors (36905).

34890943 is an equidigital number, since it uses as much as digits as its factorization.

34890943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36904.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 34890943 is about 5906.8555932916. The cubic root of 34890943 is about 326.7665321260.

The spelling of 34890943 in words is "thirty-four million, eight hundred ninety thousand, nine hundred forty-three".