83820230 has 32 divisors (see below), whose sum is σ = 163465344. Its totient is φ = 30761856.

The previous prime is 83820227. The next prime is 83820239. The reversal of 83820230 is 3202838.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 83820230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83820239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20627 + ... + 24353.

It is an arithmetic number, because the mean of its divisors is an integer number (5108292).

Almost surely, 2^83820230 is an apocalyptic number.

83820230 is a deficient number, since it is larger than the sum of its proper divisors (79645114).

83820230 is a wasteful number, since it uses less digits than its factorization.

83820230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 83820230 is about 9155.3388795828. The cubic root of 83820230 is about 437.6392677715.

The spelling of 83820230 in words is "eighty-three million, eight hundred twenty thousand, two hundred thirty".