996540385 has 8 divisors (see below), whose sum is σ = 1216117440. Its totient is φ = 783719664.

The previous prime is 996540331. The next prime is 996540403. The reversal of 996540385 is 583045699.

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 996540385 - 2¹⁷ = 996409313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1688757 + ... + 1689346.

It is an arithmetic number, because the mean of its divisors is an integer number (152014680).

Almost surely, 2^996540385 is an apocalyptic number.

It is an amenable number.

996540385 is a deficient number, since it is larger than the sum of its proper divisors (219577055).

996540385 is a wasteful number, since it uses less digits than its factorization.

996540385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378167.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 996540385 is about 31568.0278921570. The cubic root of 996540385 is about 998.8454625563.

The spelling of 996540385 in words is "nine hundred ninety-six million, five hundred forty thousand, three hundred eighty-five".