84437 has 2 divisors, whose sum is σ = 84438. Its totient is φ = 84436.

The previous prime is 84431. The next prime is 84443. The reversal of 84437 is 73448.

It is a balanced prime because it is at equal distance from previous prime (84431) and next prime (84443).

It can be written as a sum of positive squares in only one way, i.e., 78961 + 5476 = 281^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 84437 - 2⁴ = 84421 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42218 + 42219.

It is an arithmetic number, because the mean of its divisors is an integer number (42219).

2⁸⁴⁴³⁷ is an apocalyptic number.

It is an amenable number.

84437 is a deficient number, since it is larger than the sum of its proper divisors (1).

84437 is an equidigital number, since it uses as much as digits as its factorization.

84437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 26.

The square root of 84437 is about 290.5804535753. The cubic root of 84437 is about 43.8710065006.

The spelling of 84437 in words is "eighty-four thousand, four hundred thirty-seven".