84909337 has 2 divisors, whose sum is σ = 84909338. Its totient is φ = 84909336.

The previous prime is 84909323. The next prime is 84909359. The reversal of 84909337 is 73390948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72999936 + 11909401 = 8544^2 + 3451^2 .

It is a cyclic number.

It is not a de Polignac number, because 84909337 - 2¹¹ = 84907289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84909293 and 84909302.

It is not a weakly prime, because it can be changed into another prime (84909037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42454668 + 42454669.

It is an arithmetic number, because the mean of its divisors is an integer number (42454669).

Almost surely, 2^84909337 is an apocalyptic number.

It is an amenable number.

84909337 is a deficient number, since it is larger than the sum of its proper divisors (1).

84909337 is an equidigital number, since it uses as much as digits as its factorization.

84909337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 84909337 is about 9214.6262539508. The cubic root of 84909337 is about 439.5265862033.

The spelling of 84909337 in words is "eighty-four million, nine hundred nine thousand, three hundred thirty-seven".