82381194 has 24 divisors (see below), whose sum is σ = 203991840. Its totient is φ = 23537448.

The previous prime is 82381183. The next prime is 82381213. The reversal of 82381194 is 49118328.

It is a super-2 number, since 2×82381194² = 13573322249731272, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 326784 + ... + 327035.

It is an arithmetic number, because the mean of its divisors is an integer number (8499660).

Almost surely, 2^82381194 is an apocalyptic number.

82381194 is an abundant number, since it is smaller than the sum of its proper divisors (121610646).

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

82381194 is a wasteful number, since it uses less digits than its factorization.

82381194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653834 (or 653831 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 82381194 is about 9076.4086510029. The cubic root of 82381194 is about 435.1203155103.

The spelling of 82381194 in words is "eighty-two million, three hundred eighty-one thousand, one hundred ninety-four".