1996486 has 4 divisors (see below), whose sum is σ = 2994732. Its totient is φ = 998242.

The previous prime is 1996481. The next prime is 1996487. The reversal of 1996486 is 6846991.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499120 + ... + 499123.

It is an arithmetic number, because the mean of its divisors is an integer number (748683).

2^1996486 is an apocalyptic number.

1996486 is a deficient number, since it is larger than the sum of its proper divisors (998246).

1996486 is an equidigital number, since it uses as much as digits as its factorization.

1996486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998245.

The product of its digits is 93312, while the sum is 43.

The square root of 1996486 is about 1412.9706295603. The cubic root of 1996486 is about 125.9182723551.

The spelling of 1996486 in words is "one million, nine hundred ninety-six thousand, four hundred eighty-six".