1996993976 has 16 divisors (see below), whose sum is σ = 3747499440. Its totient is φ = 997660800.

The previous prime is 1996993949. The next prime is 1996993997. The reversal of 1996993976 is 6793996991.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94316 + ... + 113531.

It is an arithmetic number, because the mean of its divisors is an integer number (234218715).

Almost surely, 2^1996993976 is an apocalyptic number.

It is an amenable number.

1996993976 is a deficient number, since it is larger than the sum of its proper divisors (1750505464).

1996993976 is a wasteful number, since it uses less digits than its factorization.

1996993976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209054 (or 209050 counting only the distinct ones).

The product of its digits is 44641044, while the sum is 68.

The square root of 1996993976 is about 44687.7385420207. The cubic root of 1996993976 is about 1259.2895078984.

The spelling of 1996993976 in words is "one billion, nine hundred ninety-six million, nine hundred ninety-three thousand, nine hundred seventy-six".