84350437 has 2 divisors, whose sum is σ = 84350438. Its totient is φ = 84350436.

The previous prime is 84350429. The next prime is 84350449. The reversal of 84350437 is 73405348.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56535361 + 27815076 = 7519^2 + 5274^2 .

It is a cyclic number.

It is not a de Polignac number, because 84350437 - 2³ = 84350429 is a prime.

It is a super-2 number, since 2×84350437² = 14229992444181938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84359437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42175218 + 42175219.

It is an arithmetic number, because the mean of its divisors is an integer number (42175219).

Almost surely, 2^84350437 is an apocalyptic number.

It is an amenable number.

84350437 is a deficient number, since it is larger than the sum of its proper divisors (1).

84350437 is an equidigital number, since it uses as much as digits as its factorization.

84350437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 84350437 is about 9184.2493977461. The cubic root of 84350437 is about 438.5600950321.

The spelling of 84350437 in words is "eighty-four million, three hundred fifty thousand, four hundred thirty-seven".