84051330 has 64 divisors (see below), whose sum is σ = 220935168. Its totient is φ = 20295360.

The previous prime is 84051329. The next prime is 84051337. The reversal of 84051330 is 3315048.

It is a self number, because there is not a number n which added to its sum of digits gives 84051330.

It is not an unprimeable number, because it can be changed into a prime (84051337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160449 + ... + 160971.

It is an arithmetic number, because the mean of its divisors is an integer number (3452112).

Almost surely, 2^84051330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84051330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110467584).

84051330 is an abundant number, since it is smaller than the sum of its proper divisors (136883838).

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

84051330 is a wasteful number, since it uses less digits than its factorization.

84051330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 84051330 is about 9167.9512433259. The cubic root of 84051330 is about 438.0411024583.

Adding to 84051330 its reverse (3315048), we get a palindrome (87366378).

The spelling of 84051330 in words is "eighty-four million, fifty-one thousand, three hundred thirty".