84058040 has 64 divisors (see below), whose sum is σ = 209230560. Its totient is φ = 30136320.

The previous prime is 84058027. The next prime is 84058049. The reversal of 84058040 is 4085048.

It is a junction number, because it is equal to n+sod(n) for n = 84057994 and 84058012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84058049) 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 15 ways as a sum of consecutive naturals, for example, 30812 + ... + 33428.

Almost surely, 2^84058040 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 84058040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104615280).

84058040 is an abundant number, since it is smaller than the sum of its proper divisors (125172520).

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

84058040 is a wasteful number, since it uses less digits than its factorization.

84058040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712 (or 2708 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 84058040 is about 9168.3171847401. The cubic root of 84058040 is about 438.0527587386.

The spelling of 84058040 in words is "eighty-four million, fifty-eight thousand, forty".