1996884431 has 4 divisors (see below), whose sum is σ = 2002018200. Its totient is φ = 1991750664.

The previous prime is 1996884391. The next prime is 1996884451. The reversal of 1996884431 is 1344886991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1996884431 - 2¹⁴ = 1996868047 is a prime.

It is a super-2 number, since 2×1996884431² = 7975094861540387522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996884451) 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, 2566301 + ... + 2567078.

It is an arithmetic number, because the mean of its divisors is an integer number (500504550).

Almost surely, 2^1996884431 is an apocalyptic number.

1996884431 is a deficient number, since it is larger than the sum of its proper divisors (5133769).

1996884431 is an equidigital number, since it uses as much as digits as its factorization.

1996884431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133768.

The product of its digits is 1492992, while the sum is 53.

The square root of 1996884431 is about 44686.5128534326. The cubic root of 1996884431 is about 1259.2664813906.

The spelling of 1996884431 in words is "one billion, nine hundred ninety-six million, eight hundred eighty-four thousand, four hundred thirty-one".