83217426 has 8 divisors (see below), whose sum is σ = 166434864. Its totient is φ = 27739140.

The previous prime is 83217391. The next prime is 83217437. The reversal of 83217426 is 62471238.

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

83217426 is an admirable number.

It is an unprimeable number.

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, 6934780 + ... + 6934791.

It is an arithmetic number, because the mean of its divisors is an integer number (20804358).

Almost surely, 2^83217426 is an apocalyptic number.

83217426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83217426 is a wasteful number, since it uses less digits than its factorization.

83217426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13869576.

The product of its digits is 16128, while the sum is 33.

The square root of 83217426 is about 9122.3585765963. The cubic root of 83217426 is about 436.5876296423.

The spelling of 83217426 in words is "eighty-three million, two hundred seventeen thousand, four hundred twenty-six".