34889047 has 4 divisors (see below), whose sum is σ = 35209240. Its totient is φ = 34568856.

The previous prime is 34889033. The next prime is 34889077. The reversal of 34889047 is 74098843.

34889047 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34889047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34888994 and 34889012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34889077) 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, 159933 + ... + 160150.

It is an arithmetic number, because the mean of its divisors is an integer number (8802310).

Almost surely, 2^34889047 is an apocalyptic number.

34889047 is a deficient number, since it is larger than the sum of its proper divisors (320193).

34889047 is a wasteful number, since it uses less digits than its factorization.

34889047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320192.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 34889047 is about 5906.6950996306. The cubic root of 34889047 is about 326.7606131060.

The spelling of 34889047 in words is "thirty-four million, eight hundred eighty-nine thousand, forty-seven".