84211002 has 80 divisors (see below), whose sum is σ = 201247200. Its totient is φ = 26244000.

The previous prime is 84210991. The next prime is 84211003. The reversal of 84211002 is 20011248.

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 (84211003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 335377 + ... + 335627.

It is an arithmetic number, because the mean of its divisors is an integer number (2515590).

Almost surely, 2^84211002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84211002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100623600).

84211002 is an abundant number, since it is smaller than the sum of its proper divisors (117036198).

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

84211002 is a wasteful number, since it uses less digits than its factorization.

84211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 84211002 is about 9176.6552730284. The cubic root of 84211002 is about 438.3183086826.

The spelling of 84211002 in words is "eighty-four million, two hundred eleven thousand, two".