84034819 has 8 divisors (see below), whose sum is σ = 92966400. Its totient is φ = 75318600.

The previous prime is 84034787. The next prime is 84034829. The reversal of 84034819 is 91843048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84034819 - 2⁵ = 84034787 is a prime.

It is a super-2 number, since 2×84034819² = 14123701608725522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84034829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53019 + ... + 54580.

It is an arithmetic number, because the mean of its divisors is an integer number (11620800).

Almost surely, 2^84034819 is an apocalyptic number.

84034819 is a deficient number, since it is larger than the sum of its proper divisors (8931581).

84034819 is a wasteful number, since it uses less digits than its factorization.

84034819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107681.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 84034819 is about 9167.0507252878. The cubic root of 84034819 is about 438.0124177237.

The spelling of 84034819 in words is "eighty-four million, thirty-four thousand, eight hundred nineteen".