996428001 has 32 divisors (see below), whose sum is σ = 1414819840. Its totient is φ = 622033344.

The previous prime is 996427979. The next prime is 996428029. The reversal of 996428001 is 100824699.

It is not a de Polignac number, because 996428001 - 2¹¹ = 996425953 is a prime.

It is a super-2 number, since 2×996428001² = 1985737522353712002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996428401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3520806 + ... + 3521088.

It is an arithmetic number, because the mean of its divisors is an integer number (44213120).

Almost surely, 2^996428001 is an apocalyptic number.

It is an amenable number.

996428001 is a deficient number, since it is larger than the sum of its proper divisors (418391839).

996428001 is a wasteful number, since it uses less digits than its factorization.

996428001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 996428001 is about 31566.2478131310. The cubic root of 996428001 is about 998.8079131603.

The spelling of 996428001 in words is "nine hundred ninety-six million, four hundred twenty-eight thousand, one".