84034005 has 16 divisors (see below), whose sum is σ = 146677824. Its totient is φ = 40743680.

The previous prime is 84034001. The next prime is 84034007. The reversal of 84034005 is 50043048.

It is a happy number.

It is not a de Polignac number, because 84034005 - 2² = 84034001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84034001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254484 + ... + 254813.

It is an arithmetic number, because the mean of its divisors is an integer number (9167364).

Almost surely, 2^84034005 is an apocalyptic number.

It is an amenable number.

84034005 is a deficient number, since it is larger than the sum of its proper divisors (62643819).

84034005 is a wasteful number, since it uses less digits than its factorization.

84034005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509316.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 84034005 is about 9167.0063270405. The cubic root of 84034005 is about 438.0110034558.

The spelling of 84034005 in words is "eighty-four million, thirty-four thousand, five".