82418312 has 16 divisors (see below), whose sum is σ = 163624860. Its totient is φ = 38785024.

The previous prime is 82418311. The next prime is 82418317. The reversal of 82418312 is 21381428.

It can be written as a sum of positive squares in 2 ways, for example, as 73856836 + 8561476 = 8594^2 + 2926^2 .

It is not an unprimeable number, because it can be changed into a prime (82418311) 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, 302873 + ... + 303144.

Almost surely, 2^82418312 is an apocalyptic number.

It is an amenable number.

82418312 is a deficient number, since it is larger than the sum of its proper divisors (81206548).

82418312 is a wasteful number, since it uses less digits than its factorization.

82418312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606040 (or 606036 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 82418312 is about 9078.4531722095. The cubic root of 82418312 is about 435.1856555474.

The spelling of 82418312 in words is "eighty-two million, four hundred eighteen thousand, three hundred twelve".