996989941 has 8 divisors (see below), whose sum is σ = 1018440864. Its totient is φ = 975763920.

The previous prime is 996989923. The next prime is 996989951. The reversal of 996989941 is 149989699.

It is the 12891-st star number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 996989941 - 2⁷ = 996989813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996989911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47250 + ... + 65011.

It is an arithmetic number, because the mean of its divisors is an integer number (127305108).

Almost surely, 2^996989941 is an apocalyptic number.

It is an amenable number.

996989941 is a deficient number, since it is larger than the sum of its proper divisors (21450923).

996989941 is a wasteful number, since it uses less digits than its factorization.

996989941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112451.

The product of its digits is 11337408, while the sum is 64.

The square root of 996989941 is about 31575.1475214289. The cubic root of 996989941 is about 998.9956385959.

The spelling of 996989941 in words is "nine hundred ninety-six million, nine hundred eighty-nine thousand, nine hundred forty-one".