84949566 has 32 divisors (see below), whose sum is σ = 186429600. Its totient is φ = 25643904.

The previous prime is 84949549. The next prime is 84949591. The reversal of 84949566 is 66594948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6141 + ... + 14408.

It is an arithmetic number, because the mean of its divisors is an integer number (5825925).

Almost surely, 2^84949566 is an apocalyptic number.

84949566 is an abundant number, since it is smaller than the sum of its proper divisors (101480034).

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

84949566 is a wasteful number, since it uses less digits than its factorization.

84949566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20620.

The product of its digits is 1866240, while the sum is 51.

The square root of 84949566 is about 9216.8088837732. The cubic root of 84949566 is about 439.5959893414.

The spelling of 84949566 in words is "eighty-four million, nine hundred forty-nine thousand, five hundred sixty-six".