82003844 has 12 divisors (see below), whose sum is σ = 154545804. Its totient is φ = 37847904.

The previous prime is 82003807. The next prime is 82003849. The reversal of 82003844 is 44830028.

It can be written as a sum of positive squares in 2 ways, for example, as 19909444 + 62094400 = 4462^2 + 7880^2 .

It is not an unprimeable number, because it can be changed into a prime (82003849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788447 + ... + 788550.

It is an arithmetic number, because the mean of its divisors is an integer number (12878817).

Almost surely, 2^82003844 is an apocalyptic number.

It is an amenable number.

82003844 is a deficient number, since it is larger than the sum of its proper divisors (72541960).

82003844 is a wasteful number, since it uses less digits than its factorization.

82003844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577014 (or 1577012 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 82003844 is about 9055.5973850431. The cubic root of 82003844 is about 434.4549371646.

The spelling of 82003844 in words is "eighty-two million, three thousand, eight hundred forty-four".