84530039 has 4 divisors (see below), whose sum is σ = 92214600. Its totient is φ = 76845480.

The previous prime is 84530029. The next prime is 84530063. The reversal of 84530039 is 93003548.

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

It is a cyclic number.

It is not a de Polignac number, because 84530039 - 2²⁴ = 67752823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84529987 and 84530014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84530029) 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, 3842264 + ... + 3842285.

It is an arithmetic number, because the mean of its divisors is an integer number (23053650).

Almost surely, 2^84530039 is an apocalyptic number.

84530039 is a deficient number, since it is larger than the sum of its proper divisors (7684561).

84530039 is a wasteful number, since it uses less digits than its factorization.

84530039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7684560.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 84530039 is about 9194.0219164411. The cubic root of 84530039 is about 438.8711403767.

The spelling of 84530039 in words is "eighty-four million, five hundred thirty thousand, thirty-nine".