983612869 has 2 divisors, whose sum is σ = 983612870. Its totient is φ = 983612868.

The previous prime is 983612867. The next prime is 983612879. The reversal of 983612869 is 968216389.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 896283844 + 87329025 = 29938^2 + 9345^2 .

It is a cyclic number.

It is not a de Polignac number, because 983612869 - 2¹ = 983612867 is a prime.

It is a super-2 number, since 2×983612869² = 1934988552124822322, which contains 22 as substring.

Together with 983612867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (983612867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491806434 + 491806435.

It is an arithmetic number, because the mean of its divisors is an integer number (491806435).

Almost surely, 2^983612869 is an apocalyptic number.

It is an amenable number.

983612869 is a deficient number, since it is larger than the sum of its proper divisors (1).

983612869 is an equidigital number, since it uses as much as digits as its factorization.

983612869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 52.

The square root of 983612869 is about 31362.6030329117. The cubic root of 983612869 is about 994.5075107938.

The spelling of 983612869 in words is "nine hundred eighty-three million, six hundred twelve thousand, eight hundred sixty-nine".