84164033 has 4 divisors (see below), whose sum is σ = 84185220. Its totient is φ = 84142848.

The previous prime is 84164009. The next prime is 84164099. The reversal of 84164033 is 33046148.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43930384 + 40233649 = 6628^2 + 6343^2 .

It is a cyclic number.

It is not a de Polignac number, because 84164033 - 2⁸ = 84163777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84163987 and 84164005.

It is not an unprimeable number, because it can be changed into a prime (84164533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2648 + ... + 13241.

It is an arithmetic number, because the mean of its divisors is an integer number (21046305).

It is a Poulet number, since it divides 2^84164032-1.

Almost surely, 2^84164033 is an apocalyptic number.

84164033 is the 5297-th octagonal number.

It is an amenable number.

84164033 is a deficient number, since it is larger than the sum of its proper divisors (21187).

84164033 is a wasteful number, since it uses less digits than its factorization.

84164033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21186.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 84164033 is about 9174.0957592561. The cubic root of 84164033 is about 438.2368023042.

The spelling of 84164033 in words is "eighty-four million, one hundred sixty-four thousand, thirty-three".