1996881002 has 4 divisors (see below), whose sum is σ = 2995321506. Its totient is φ = 998440500.

The previous prime is 1996880993. The next prime is 1996881011. The reversal of 1996881002 is 2001886991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2001886991 = 13 ⋅153991307.

It is an interprime number because it is at equal distance from previous prime (1996880993) and next prime (1996881011).

It can be written as a sum of positive squares in only one way, i.e., 1624815481 + 372065521 = 40309^2 + 19289^2 .

It is a super-2 number, since 2×1996881002² = 7975067472297048008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499220249 + ... + 499220252.

Almost surely, 2^1996881002 is an apocalyptic number.

1996881002 is a deficient number, since it is larger than the sum of its proper divisors (998440504).

1996881002 is an equidigital number, since it uses as much as digits as its factorization.

1996881002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998440503.

The product of its (nonzero) digits is 62208, while the sum is 44.

The square root of 1996881002 is about 44686.4744861351. The cubic root of 1996881002 is about 1259.2657605966.

The spelling of 1996881002 in words is "one billion, nine hundred ninety-six million, eight hundred eighty-one thousand, two".