985422849 has 4 divisors (see below), whose sum is σ = 1313897136. Its totient is φ = 656948564.

The previous prime is 985422827. The next prime is 985422869. The reversal of 985422849 is 948224589.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 985422849 - 2¹³ = 985414657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (985422869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164237139 + ... + 164237144.

It is an arithmetic number, because the mean of its divisors is an integer number (328474284).

Almost surely, 2^985422849 is an apocalyptic number.

It is an amenable number.

985422849 is a deficient number, since it is larger than the sum of its proper divisors (328474287).

985422849 is a wasteful number, since it uses less digits than its factorization.

985422849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328474286.

The product of its digits is 1658880, while the sum is 51.

The square root of 985422849 is about 31391.4454748423. The cubic root of 985422849 is about 995.1171462116.

The spelling of 985422849 in words is "nine hundred eighty-five million, four hundred twenty-two thousand, eight hundred forty-nine".