84635 has 4 divisors (see below), whose sum is σ = 101568. Its totient is φ = 67704.

The previous prime is 84631. The next prime is 84649. The reversal of 84635 is 53648.

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 84635 - 2² = 84631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84631) 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, 8459 + ... + 8468.

It is an arithmetic number, because the mean of its divisors is an integer number (25392).

2⁸⁴⁶³⁵ is an apocalyptic number.

84635 is a deficient number, since it is larger than the sum of its proper divisors (16933).

84635 is a wasteful number, since it uses less digits than its factorization.

84635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16932.

The product of its digits is 2880, while the sum is 26.

The square root of 84635 is about 290.9209514628. The cubic root of 84635 is about 43.9052714097.

The spelling of 84635 in words is "eighty-four thousand, six hundred thirty-five".