84983540 has 24 divisors (see below), whose sum is σ = 179407872. Its totient is φ = 33813920.

The previous prime is 84983533. The next prime is 84983593. The reversal of 84983540 is 4538948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7304 + ... + 14943.

It is an arithmetic number, because the mean of its divisors is an integer number (7475328).

Almost surely, 2^84983540 is an apocalyptic number.

It is an amenable number.

84983540 is an abundant number, since it is smaller than the sum of its proper divisors (94424332).

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

84983540 is a wasteful number, since it uses less digits than its factorization.

84983540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22447 (or 22445 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 84983540 is about 9218.6517452391. The cubic root of 84983540 is about 439.6545842792.

The spelling of 84983540 in words is "eighty-four million, nine hundred eighty-three thousand, five hundred forty".