1681034 has 8 divisors (see below), whose sum is σ = 2527140. Its totient is φ = 838656.

The previous prime is 1681033. The next prime is 1681061. The reversal of 1681034 is 4301861.

It can be written as a sum of positive squares in 2 ways, for example, as 1555009 + 126025 = 1247^2 + 355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

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 3 ways as a sum of consecutive naturals, for example, 992 + ... + 2084.

2^1681034 is an apocalyptic number.

1681034 is a deficient number, since it is larger than the sum of its proper divisors (846106).

1681034 is a wasteful number, since it uses less digits than its factorization.

1681034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1681034 is about 1296.5469524857. The cubic root of 1681034 is about 118.9028230030.

Adding to 1681034 its reverse (4301861), we get a palindrome (5982895).

The spelling of 1681034 in words is "one million, six hundred eighty-one thousand, thirty-four".