83346521 has 8 divisors (see below), whose sum is σ = 87844320. Its totient is φ = 78859872.

The previous prime is 83346511. The next prime is 83346539. The reversal of 83346521 is 12564338.

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 83346521 - 2²⁶ = 16237657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83346511) 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, 15806 + ... + 20408.

It is an arithmetic number, because the mean of its divisors is an integer number (10980540).

Almost surely, 2^83346521 is an apocalyptic number.

It is an amenable number.

83346521 is a deficient number, since it is larger than the sum of its proper divisors (4497799).

83346521 is a wasteful number, since it uses less digits than its factorization.

83346521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575.

The product of its digits is 17280, while the sum is 32.

The square root of 83346521 is about 9129.4315814294. The cubic root of 83346521 is about 436.8132721288.

The spelling of 83346521 in words is "eighty-three million, three hundred forty-six thousand, five hundred twenty-one".