1996727 has 4 divisors (see below), whose sum is σ = 2015496. Its totient is φ = 1977960.

The previous prime is 1996723. The next prime is 1996739. The reversal of 1996727 is 7276991.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7276991 = 541 ⋅13451.

It is a cyclic number.

It is not a de Polignac number, because 1996727 - 2² = 1996723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996721) 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, 9224 + ... + 9437.

It is an arithmetic number, because the mean of its divisors is an integer number (503874).

2^1996727 is an apocalyptic number.

1996727 is a deficient number, since it is larger than the sum of its proper divisors (18769).

1996727 is a wasteful number, since it uses less digits than its factorization.

1996727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18768.

The product of its digits is 47628, while the sum is 41.

The square root of 1996727 is about 1413.0559083065. The cubic root of 1996727 is about 125.9233387706.

The spelling of 1996727 in words is "one million, nine hundred ninety-six thousand, seven hundred twenty-seven".