985012349 has 4 divisors (see below), whose sum is σ = 990706236. Its totient is φ = 979318464.

The previous prime is 985012339. The next prime is 985012429. The reversal of 985012349 is 943210589.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 852348025 + 132664324 = 29195^2 + 11518^2 .

It is a cyclic number.

It is not a de Polignac number, because 985012349 - 2⁴ = 985012333 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985012319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2846684 + ... + 2847029.

It is an arithmetic number, because the mean of its divisors is an integer number (247676559).

Almost surely, 2^985012349 is an apocalyptic number.

It is an amenable number.

985012349 is a deficient number, since it is larger than the sum of its proper divisors (5693887).

985012349 is a wasteful number, since it uses less digits than its factorization.

985012349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5693886.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 985012349 is about 31384.9063882625. The cubic root of 985012349 is about 994.9789475609.

The spelling of 985012349 in words is "nine hundred eighty-five million, twelve thousand, three hundred forty-nine".