83541620 has 12 divisors (see below), whose sum is σ = 175437444. Its totient is φ = 33416640.

The previous prime is 83541617. The next prime is 83541629. The reversal of 83541620 is 2614538.

It can be written as a sum of positive squares in 2 ways, for example, as 42042256 + 41499364 = 6484^2 + 6442^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83541629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2088521 + ... + 2088560.

It is an arithmetic number, because the mean of its divisors is an integer number (14619787).

Almost surely, 2^83541620 is an apocalyptic number.

It is an amenable number.

83541620 is an abundant number, since it is smaller than the sum of its proper divisors (91895824).

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

83541620 is a wasteful number, since it uses less digits than its factorization.

83541620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177090 (or 4177088 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 83541620 is about 9140.1105026143. The cubic root of 83541620 is about 437.1538399239.

The spelling of 83541620 in words is "eighty-three million, five hundred forty-one thousand, six hundred twenty".