908428849 has 2 divisors, whose sum is σ = 908428850. Its totient is φ = 908428848.

The previous prime is 908428837. The next prime is 908428853. The reversal of 908428849 is 948824809.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 825527824 + 82901025 = 28732^2 + 9105^2 .

It is a cyclic number.

It is not a de Polignac number, because 908428849 - 2¹¹ = 908426801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 908428796 and 908428805.

It is not a weakly prime, because it can be changed into another prime (908428049) 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, 454214424 + 454214425.

It is an arithmetic number, because the mean of its divisors is an integer number (454214425).

Almost surely, 2^908428849 is an apocalyptic number.

It is an amenable number.

908428849 is a deficient number, since it is larger than the sum of its proper divisors (1).

908428849 is an equidigital number, since it uses as much as digits as its factorization.

908428849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The square root of 908428849 is about 30140.1534335842. The cubic root of 908428849 is about 968.4940848031.

The spelling of 908428849 in words is "nine hundred eight million, four hundred twenty-eight thousand, eight hundred forty-nine".