84030 has 16 divisors (see below), whose sum is σ = 201744. Its totient is φ = 22400.

The previous prime is 84017. The next prime is 84047. The reversal of 84030 is 3048.

It is a super-2 number, since 2×84030² = 14122081800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371 + ... + 1430.

It is an arithmetic number, because the mean of its divisors is an integer number (12609).

2⁸⁴⁰³⁰ is an apocalyptic number.

84030 is an abundant number, since it is smaller than the sum of its proper divisors (117714).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100872).

84030 is a wasteful number, since it uses less digits than its factorization.

84030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 84030 is about 289.8792852206. The cubic root of 84030 is about 43.8004044916.

Adding to 84030 its reverse (3048), we get a palindrome (87078).

It can be divided in two parts, 840 and 30, that multiplied together give a triangular number (25200 = T₂₂₄).

The spelling of 84030 in words is "eighty-four thousand, thirty".