84028029 has 4 divisors (see below), whose sum is σ = 112037376. Its totient is φ = 56018684.

The previous prime is 84028019. The next prime is 84028031. The reversal of 84028029 is 92082048.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84028029 - 2⁵ = 84027997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84028019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14004669 + ... + 14004674.

It is an arithmetic number, because the mean of its divisors is an integer number (28009344).

Almost surely, 2^84028029 is an apocalyptic number.

It is an amenable number.

84028029 is a deficient number, since it is larger than the sum of its proper divisors (28009347).

84028029 is a wasteful number, since it uses less digits than its factorization.

84028029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28009346.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 84028029 is about 9166.6803696867. The cubic root of 84028029 is about 438.0006202948. Note that the first 3 decimals are identical.

The spelling of 84028029 in words is "eighty-four million, twenty-eight thousand, twenty-nine".