83420481 has 16 divisors (see below), whose sum is σ = 112492800. Its totient is φ = 54984960.

The previous prime is 83420461. The next prime is 83420497. The reversal of 83420481 is 18402438.

It is not a de Polignac number, because 83420481 - 2⁶ = 83420417 is a prime.

It is a super-2 number, since 2×83420481² = 13917953300542722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83420461) 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 15 ways as a sum of consecutive naturals, for example, 192441 + ... + 192873.

It is an arithmetic number, because the mean of its divisors is an integer number (7030800).

Almost surely, 2^83420481 is an apocalyptic number.

It is an amenable number.

83420481 is a deficient number, since it is larger than the sum of its proper divisors (29072319).

83420481 is a wasteful number, since it uses less digits than its factorization.

83420481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 83420481 is about 9133.4813187525. The cubic root of 83420481 is about 436.9424403205.

The spelling of 83420481 in words is "eighty-three million, four hundred twenty thousand, four hundred eighty-one".