84990582 has 24 divisors (see below), whose sum is σ = 194979096. Its totient is φ = 26663616.

The previous prime is 84990569. The next prime is 84990593. The reversal of 84990582 is 28509948.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138568 + ... + 139179.

It is an arithmetic number, because the mean of its divisors is an integer number (8124129).

Almost surely, 2^84990582 is an apocalyptic number.

84990582 is an abundant number, since it is smaller than the sum of its proper divisors (109988514).

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

84990582 is a wasteful number, since it uses less digits than its factorization.

84990582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277772 (or 277769 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 84990582 is about 9219.0336803810. The cubic root of 84990582 is about 439.6667276584. Note that the first 3 decimals are identical.

The spelling of 84990582 in words is "eighty-four million, nine hundred ninety thousand, five hundred eighty-two".