8434637 has 2 divisors, whose sum is σ = 8434638. Its totient is φ = 8434636.

The previous prime is 8434609. The next prime is 8434691. The reversal of 8434637 is 7364348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7873636 + 561001 = 2806^2 + 749^2 .

It is a cyclic number.

It is not a de Polignac number, because 8434637 - 2¹⁰ = 8433613 is a prime.

It is a super-2 number, since 2×8434637² = 142286202643538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8434597 and 8434606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8434607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4217318 + 4217319.

It is an arithmetic number, because the mean of its divisors is an integer number (4217319).

Almost surely, 2^8434637 is an apocalyptic number.

It is an amenable number.

8434637 is a deficient number, since it is larger than the sum of its proper divisors (1).

8434637 is an equidigital number, since it uses as much as digits as its factorization.

8434637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 35.

The square root of 8434637 is about 2904.2446522289. The cubic root of 8434637 is about 203.5582923356.

The spelling of 8434637 in words is "eight million, four hundred thirty-four thousand, six hundred thirty-seven".