996401963 has 8 divisors (see below), whose sum is σ = 1003342032. Its totient is φ = 989486496.

The previous prime is 996401947. The next prime is 996401983. The reversal of 996401963 is 369104699.

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 996401963 - 2⁴ = 996401947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996401983) 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, 79181 + ... + 90897.

It is an arithmetic number, because the mean of its divisors is an integer number (125417754).

Almost surely, 2^996401963 is an apocalyptic number.

996401963 is a deficient number, since it is larger than the sum of its proper divisors (6940069).

996401963 is a wasteful number, since it uses less digits than its factorization.

996401963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12301.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 996401963 is about 31565.8353762418. The cubic root of 996401963 is about 998.7992130211.

The spelling of 996401963 in words is "nine hundred ninety-six million, four hundred one thousand, nine hundred sixty-three".