84746 has 4 divisors (see below), whose sum is σ = 127122. Its totient is φ = 42372.

The previous prime is 84737. The next prime is 84751. The reversal of 84746 is 64748.

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

It can be written as a sum of positive squares in only one way, i.e., 83521 + 1225 = 289^2 + 35^2 .

It is a Curzon number.

It is an unprimeable number.

84746 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21185 + ... + 21188.

2⁸⁴⁷⁴⁶ is an apocalyptic number.

84746 is a deficient number, since it is larger than the sum of its proper divisors (42376).

84746 is a wasteful number, since it uses less digits than its factorization.

84746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42375.

The product of its digits is 5376, while the sum is 29.

The square root of 84746 is about 291.1116624253. Note that the first 3 decimals coincide. The cubic root of 84746 is about 43.9244571529.

The spelling of 84746 in words is "eighty-four thousand, seven hundred forty-six".