983904331 has 2 divisors, whose sum is σ = 983904332. Its totient is φ = 983904330.

The previous prime is 983904289. The next prime is 983904343. The reversal of 983904331 is 133409389.

It is a strong prime.

It is an emirp because it is prime and its reverse (133409389) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 983904331 - 2¹⁵ = 983871563 is a prime.

It is a super-2 number, since 2×983904331² = 1936135465121115122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (933904331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491952165 + 491952166.

It is an arithmetic number, because the mean of its divisors is an integer number (491952166).

Almost surely, 2^983904331 is an apocalyptic number.

983904331 is a deficient number, since it is larger than the sum of its proper divisors (1).

983904331 is an equidigital number, since it uses as much as digits as its factorization.

983904331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 983904331 is about 31367.2493374857. The cubic root of 983904331 is about 994.6057311850.

The spelling of 983904331 in words is "nine hundred eighty-three million, nine hundred four thousand, three hundred thirty-one".