84666630 has 32 divisors (see below), whose sum is σ = 215154144. Its totient is φ = 21249536.

The previous prime is 84666629. The next prime is 84666649. The reversal of 84666630 is 3666648.

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, 82497 + ... + 83516.

It is an arithmetic number, because the mean of its divisors is an integer number (6723567).

Almost surely, 2^84666630 is an apocalyptic number.

84666630 is an abundant number, since it is smaller than the sum of its proper divisors (130487514).

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

84666630 is a wasteful number, since it uses less digits than its factorization.

84666630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166040.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 84666630 is about 9201.4471687882. The cubic root of 84666630 is about 439.1074019039.

It can be divided in two parts, 846 and 66630, that added together give a palindrome (67476).

The spelling of 84666630 in words is "eighty-four million, six hundred sixty-six thousand, six hundred thirty".