1681032 has 32 divisors (see below), whose sum is σ = 4255200. Its totient is φ = 553344.

The previous prime is 1681027. The next prime is 1681033. The reversal of 1681032 is 2301861.

It is not an unprimeable number, because it can be changed into a prime (1681033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1743 + ... + 2529.

It is an arithmetic number, because the mean of its divisors is an integer number (132975).

2^1681032 is an apocalyptic number.

1681032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1681032 is an abundant number, since it is smaller than the sum of its proper divisors (2574168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1681032 is a wasteful number, since it uses less digits than its factorization.

1681032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1681032 is about 1296.5461812061. The cubic root of 1681032 is about 118.9027758483.

Adding to 1681032 its reverse (2301861), we get a palindrome (3982893).

The spelling of 1681032 in words is "one million, six hundred eighty-one thousand, thirty-two".