84521466 has 24 divisors (see below), whose sum is σ = 183530880. Its totient is φ = 28112136.

The previous prime is 84521461. The next prime is 84521513. The reversal of 84521466 is 66412548.

It is a self number, because there is not a number n which added to its sum of digits gives 84521466.

It is not an unprimeable number, because it can be changed into a prime (84521461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3721 + ... + 13523.

It is an arithmetic number, because the mean of its divisors is an integer number (7647120).

Almost surely, 2^84521466 is an apocalyptic number.

84521466 is an abundant number, since it is smaller than the sum of its proper divisors (99009414).

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

84521466 is a wasteful number, since it uses less digits than its factorization.

84521466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10290 (or 10287 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 84521466 is about 9193.5556777560. Note that the first 3 decimals coincide. The cubic root of 84521466 is about 438.8563031680.

The spelling of 84521466 in words is "eighty-four million, five hundred twenty-one thousand, four hundred sixty-six".