84506689 has 8 divisors (see below), whose sum is σ = 85386240. Its totient is φ = 83630736.

The previous prime is 84506687. The next prime is 84506729. The reversal of 84506689 is 98660548.

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 84506689 - 2¹ = 84506687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84506687) 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, 82422 + ... + 83440.

It is an arithmetic number, because the mean of its divisors is an integer number (10673280).

Almost surely, 2^84506689 is an apocalyptic number.

It is an amenable number.

84506689 is a deficient number, since it is larger than the sum of its proper divisors (879551).

84506689 is a wasteful number, since it uses less digits than its factorization.

84506689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 84506689 is about 9192.7519818605. The cubic root of 84506689 is about 438.8307264009.

The spelling of 84506689 in words is "eighty-four million, five hundred six thousand, six hundred eighty-nine".