84489000 has 64 divisors (see below), whose sum is σ = 263615040. Its totient is φ = 22529600.

The previous prime is 84488993. The next prime is 84489017. The reversal of 84489000 is 98448.

It is a super-2 number, since 2×84489000² = 14276782242000000, which contains 22 as substring.

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, 11082 + ... + 17081.

It is an arithmetic number, because the mean of its divisors is an integer number (4118985).

Almost surely, 2^84489000 is an apocalyptic number.

It is an amenable number.

84489000 is an abundant number, since it is smaller than the sum of its proper divisors (179126040).

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

84489000 is a wasteful number, since it uses less digits than its factorization.

84489000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28187 (or 28173 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 84489000 is about 9191.7898148293. The cubic root of 84489000 is about 438.8001054781.

The spelling of 84489000 in words is "eighty-four million, four hundred eighty-nine thousand".