84607866 has 48 divisors (see below), whose sum is σ = 216273408. Its totient is φ = 23392800.

The previous prime is 84607847. The next prime is 84607883. The reversal of 84607866 is 66870648.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6925 + ... + 14736.

It is an arithmetic number, because the mean of its divisors is an integer number (4505696).

Almost surely, 2^84607866 is an apocalyptic number.

84607866 is an abundant number, since it is smaller than the sum of its proper divisors (131665542).

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

84607866 is a wasteful number, since it uses less digits than its factorization.

84607866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21707 (or 21704 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 84607866 is about 9198.2534211664. The cubic root of 84607866 is about 439.0057889486.

The spelling of 84607866 in words is "eighty-four million, six hundred seven thousand, eight hundred sixty-six".