84040200 has 192 divisors, whose sum is σ = 294624000. Its totient is φ = 22014720.

The previous prime is 84040171. The next prime is 84040207. The reversal of 84040200 is 204048.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (84040207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 426502 + ... + 426698.

It is an arithmetic number, because the mean of its divisors is an integer number (1534500).

Almost surely, 2^84040200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84040200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147312000).

84040200 is an abundant number, since it is smaller than the sum of its proper divisors (210583800).

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

84040200 is a wasteful number, since it uses less digits than its factorization.

84040200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 84040200 is about 9167.3442173838. The cubic root of 84040200 is about 438.0217666045.

Adding to 84040200 its reverse (204048), we get a palindrome (84244248).

The spelling of 84040200 in words is "eighty-four million, forty thousand, two hundred".