1996490 has 16 divisors (see below), whose sum is σ = 3678048. Its totient is φ = 779856.

The previous prime is 1996487. The next prime is 1996507. The reversal of 1996490 is 946991.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1892 + ... + 2751.

It is an arithmetic number, because the mean of its divisors is an integer number (229878).

2^1996490 is an apocalyptic number.

1996490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1996490 is a deficient number, since it is larger than the sum of its proper divisors (1681558).

1996490 is a wasteful number, since it uses less digits than its factorization.

1996490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1996490 is about 1412.9720450172. The cubic root of 1996490 is about 125.9183564483.

The spelling of 1996490 in words is "one million, nine hundred ninety-six thousand, four hundred ninety".