82381364 has 12 divisors (see below), whose sum is σ = 155257284. Its totient is φ = 38022144.

The previous prime is 82381319. The next prime is 82381367. The reversal of 82381364 is 46318328.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8076964 + 74304400 = 2842^2 + 8620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82381367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792077 + ... + 792180.

It is an arithmetic number, because the mean of its divisors is an integer number (12938107).

Almost surely, 2^82381364 is an apocalyptic number.

It is an amenable number.

82381364 is a deficient number, since it is larger than the sum of its proper divisors (72875920).

82381364 is a wasteful number, since it uses less digits than its factorization.

82381364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584274 (or 1584272 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 82381364 is about 9076.4180159356. The cubic root of 82381364 is about 435.1206148116.

The spelling of 82381364 in words is "eighty-two million, three hundred eighty-one thousand, three hundred sixty-four".