34847921 has 8 divisors (see below), whose sum is σ = 36552384. Its totient is φ = 33159280.

The previous prime is 34847903. The next prime is 34847941. The reversal of 34847921 is 12974843.

34847921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34847921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34847941) 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 7 ways as a sum of consecutive naturals, for example, 686 + ... + 8376.

It is an arithmetic number, because the mean of its divisors is an integer number (4569048).

Almost surely, 2^34847921 is an apocalyptic number.

It is an amenable number.

34847921 is a deficient number, since it is larger than the sum of its proper divisors (1704463).

34847921 is a wasteful number, since it uses less digits than its factorization.

34847921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7911.

The product of its digits is 48384, while the sum is 38.

The square root of 34847921 is about 5903.2127693316. The cubic root of 34847921 is about 326.6321712615.

The spelling of 34847921 in words is "thirty-four million, eight hundred forty-seven thousand, nine hundred twenty-one".