996426803 has 4 divisors (see below), whose sum is σ = 1003025808. Its totient is φ = 989827800.

The previous prime is 996426799. The next prime is 996426829. The reversal of 996426803 is 308624699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308624699 = 29 ⋅10642231.

It is a cyclic number.

It is not a de Polignac number, because 996426803 - 2² = 996426799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996426853) 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, 3299276 + ... + 3299577.

It is an arithmetic number, because the mean of its divisors is an integer number (250756452).

Almost surely, 2^996426803 is an apocalyptic number.

996426803 is a deficient number, since it is larger than the sum of its proper divisors (6599005).

996426803 is a wasteful number, since it uses less digits than its factorization.

996426803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6599004.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 996426803 is about 31566.2288371608. The cubic root of 996426803 is about 998.8075128730.

The spelling of 996426803 in words is "nine hundred ninety-six million, four hundred twenty-six thousand, eight hundred three".