82984540 has 12 divisors (see below), whose sum is σ = 174267576. Its totient is φ = 33193808.

The previous prime is 82984537. The next prime is 82984541. The reversal of 82984540 is 4548928.

It is a junction number, because it is equal to n+sod(n) for n = 82984493 and 82984502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82984541) 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, 2074594 + ... + 2074633.

It is an arithmetic number, because the mean of its divisors is an integer number (14522298).

Almost surely, 2^82984540 is an apocalyptic number.

It is an amenable number.

82984540 is an abundant number, since it is smaller than the sum of its proper divisors (91283036).

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

82984540 is a wasteful number, since it uses less digits than its factorization.

82984540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149236 (or 4149234 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 82984540 is about 9109.5850619005. The cubic root of 82984540 is about 436.1799820852.

The spelling of 82984540 in words is "eighty-two million, nine hundred eighty-four thousand, five hundred forty".