1681196 has 24 divisors (see below), whose sum is σ = 3380160. Its totient is φ = 723600.

The previous prime is 1681193. The next prime is 1681201. The reversal of 1681196 is 6911861.

It is not an unprimeable number, because it can be changed into a prime (1681193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170 + ... + 1841.

It is an arithmetic number, because the mean of its divisors is an integer number (140840).

2^1681196 is an apocalyptic number.

It is an amenable number.

1681196 is an abundant number, since it is smaller than the sum of its proper divisors (1698964).

1681196 is a wasteful number, since it uses less digits than its factorization.

1681196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045 (or 2043 counting only the distinct ones).

The product of its digits is 2592, while the sum is 32.

The square root of 1681196 is about 1296.6094246148. The cubic root of 1681196 is about 118.9066424059.

It can be divided in two parts, 1681 and 196, that multiplied together give a square (329476 = 574²).

The spelling of 1681196 in words is "one million, six hundred eighty-one thousand, one hundred ninety-six".