84043036 has 72 divisors (see below), whose sum is σ = 197706096. Its totient is φ = 30804480.

The previous prime is 84042983. The next prime is 84043049. The reversal of 84043036 is 63034048.

84043036 = T₂₁₃ + T₂₁₄ + ... + T₈₀₀.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 84042995 and 84043013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35506 + ... + 37798.

It is an arithmetic number, because the mean of its divisors is an integer number (2745918).

Almost surely, 2^84043036 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 84043036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98853048).

84043036 is an abundant number, since it is smaller than the sum of its proper divisors (113663060).

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

84043036 is a wasteful number, since it uses less digits than its factorization.

84043036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339 (or 2330 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 84043036 is about 9167.4988955549. The cubic root of 84043036 is about 438.0266936742.

The spelling of 84043036 in words is "eighty-four million, forty-three thousand, thirty-six".