1996487 has 2 divisors, whose sum is σ = 1996488. Its totient is φ = 1996486.

The previous prime is 1996481. The next prime is 1996507. The reversal of 1996487 is 7846991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1996487 - 2⁴ = 1996471 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 (1996481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998243 + 998244.

It is an arithmetic number, because the mean of its divisors is an integer number (998244).

2^1996487 is an apocalyptic number.

1996487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996487 is an equidigital number, since it uses as much as digits as its factorization.

1996487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 44.

The square root of 1996487 is about 1412.9709834246. The cubic root of 1996487 is about 125.9182933784.

The spelling of 1996487 in words is "one million, nine hundred ninety-six thousand, four hundred eighty-seven".