34166921 has 8 divisors (see below), whose sum is σ = 36206400. Its totient is φ = 32151600.

The previous prime is 34166911. The next prime is 34166933. The reversal of 34166921 is 12966143.

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

It is a cyclic number.

It is not a de Polignac number, because 34166921 - 2⁶ = 34166857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34166911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3086 + ... + 8823.

It is an arithmetic number, because the mean of its divisors is an integer number (4525800).

Almost surely, 2^34166921 is an apocalyptic number.

It is an amenable number.

34166921 is a deficient number, since it is larger than the sum of its proper divisors (2039479).

34166921 is a wasteful number, since it uses less digits than its factorization.

34166921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12079.

The product of its digits is 7776, while the sum is 32.

The square root of 34166921 is about 5845.2477278555. The cubic root of 34166921 is about 324.4904710154.

The spelling of 34166921 in words is "thirty-four million, one hundred sixty-six thousand, nine hundred twenty-one".