1996751 has 2 divisors, whose sum is σ = 1996752. Its totient is φ = 1996750.

The previous prime is 1996739. The next prime is 1996759. The reversal of 1996751 is 1576991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1996751 - 2¹⁰ = 1995727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1996759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998375 + 998376.

It is an arithmetic number, because the mean of its divisors is an integer number (998376).

2^1996751 is an apocalyptic number.

1996751 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996751 is an equidigital number, since it uses as much as digits as its factorization.

1996751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 38.

The square root of 1996751 is about 1413.0644005140. The cubic root of 1996751 is about 125.9238432876.

The spelling of 1996751 in words is "one million, nine hundred ninety-six thousand, seven hundred fifty-one".