996409390 has 8 divisors (see below), whose sum is σ = 1793536920. Its totient is φ = 398563752.

The previous prime is 996409387. The next prime is 996409391. The reversal of 996409390 is 93904699.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996409391) 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, 49820460 + ... + 49820479.

It is an arithmetic number, because the mean of its divisors is an integer number (224192115).

Almost surely, 2^996409390 is an apocalyptic number.

996409390 is a deficient number, since it is larger than the sum of its proper divisors (797127530).

996409390 is a wasteful number, since it uses less digits than its factorization.

996409390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99640946.

The product of its (nonzero) digits is 472392, while the sum is 49.

The square root of 996409390 is about 31565.9530190362. The cubic root of 996409390 is about 998.8016946378.

The spelling of 996409390 in words is "nine hundred ninety-six million, four hundred nine thousand, three hundred ninety".