8418929 has 2 divisors, whose sum is σ = 8418930. Its totient is φ = 8418928.

The previous prime is 8418923. The next prime is 8418937. The reversal of 8418929 is 9298148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4326400 + 4092529 = 2080^2 + 2023^2 .

It is a cyclic number.

It is not a de Polignac number, because 8418929 - 2⁴ = 8418913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8418923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4209464 + 4209465.

It is an arithmetic number, because the mean of its divisors is an integer number (4209465).

Almost surely, 2^8418929 is an apocalyptic number.

It is an amenable number.

8418929 is a deficient number, since it is larger than the sum of its proper divisors (1).

8418929 is an equidigital number, since it uses as much as digits as its factorization.

8418929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 41.

The square root of 8418929 is about 2901.5390743535. The cubic root of 8418929 is about 203.4318501966.

The spelling of 8418929 in words is "eight million, four hundred eighteen thousand, nine hundred twenty-nine".