983828389 has 2 divisors, whose sum is σ = 983828390. Its totient is φ = 983828388.

The previous prime is 983828387. The next prime is 983828399.

It is a happy number.

983828389 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 874207489 + 109620900 = 29567^2 + 10470^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 983828389 - 2¹ = 983828387 is a prime.

Together with 983828387, 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 (983828383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491914194 + 491914195.

It is an arithmetic number, because the mean of its divisors is an integer number (491914195).

Almost surely, 2^983828389 is an apocalyptic number.

It is an amenable number.

983828389 is a deficient number, since it is larger than the sum of its proper divisors (1).

983828389 is an equidigital number, since it uses as much as digits as its factorization.

983828389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5971968, while the sum is 58.

The square root of 983828389 is about 31366.0387840097. The cubic root of 983828389 is about 994.5801411998.

The spelling of 983828389 in words is "nine hundred eighty-three million, eight hundred twenty-eight thousand, three hundred eighty-nine".