983216285 has 16 divisors (see below), whose sum is σ = 1236755520. Its totient is φ = 749535360.

The previous prime is 983216279. The next prime is 983216287. The reversal of 983216285 is 582612389.

It is a de Polignac number, because none of the positive numbers 2^k-983216285 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983216287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46955 + ... + 64584.

It is an arithmetic number, because the mean of its divisors is an integer number (77297220).

Almost surely, 2^983216285 is an apocalyptic number.

It is an amenable number.

983216285 is a deficient number, since it is larger than the sum of its proper divisors (253539235).

983216285 is a wasteful number, since it uses less digits than its factorization.

983216285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111628.

The product of its digits is 207360, while the sum is 44.

The square root of 983216285 is about 31356.2798335517. The cubic root of 983216285 is about 994.3738339520.

The spelling of 983216285 in words is "nine hundred eighty-three million, two hundred sixteen thousand, two hundred eighty-five".