996380789 has 4 divisors (see below), whose sum is σ = 996490080. Its totient is φ = 996271500.

The previous prime is 996380699. The next prime is 996380809. The reversal of 996380789 is 987083699.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 996380789 - 2⁸ = 996380533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996320789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39587 + ... + 59664.

It is an arithmetic number, because the mean of its divisors is an integer number (249122520).

Almost surely, 2^996380789 is an apocalyptic number.

It is an amenable number.

996380789 is a deficient number, since it is larger than the sum of its proper divisors (109291).

996380789 is a wasteful number, since it uses less digits than its factorization.

996380789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109290.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The square root of 996380789 is about 31565.4999801999. The cubic root of 996380789 is about 998.7921379901.

The spelling of 996380789 in words is "nine hundred ninety-six million, three hundred eighty thousand, seven hundred eighty-nine".