84317437 has 2 divisors, whose sum is σ = 84317438. Its totient is φ = 84317436.

The previous prime is 84317419. The next prime is 84317447. The reversal of 84317437 is 73471348.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43178041 + 41139396 = 6571^2 + 6414^2 .

It is a cyclic number.

It is not a de Polignac number, because 84317437 - 2⁷ = 84317309 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 84317396 and 84317405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84317447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42158718 + 42158719.

It is an arithmetic number, because the mean of its divisors is an integer number (42158719).

Almost surely, 2^84317437 is an apocalyptic number.

It is an amenable number.

84317437 is a deficient number, since it is larger than the sum of its proper divisors (1).

84317437 is an equidigital number, since it uses as much as digits as its factorization.

84317437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 84317437 is about 9182.4526679967. The cubic root of 84317437 is about 438.5028956806.

The spelling of 84317437 in words is "eighty-four million, three hundred seventeen thousand, four hundred thirty-seven".