1680234 has 16 divisors (see below), whose sum is σ = 3396288. Its totient is φ = 554112.

The previous prime is 1680191. The next prime is 1680247. The reversal of 1680234 is 4320861.

It is a happy number.

It is a d-powerful number, because it can be written as 1 + 6⁸ + 8 + 0 + 2⁹ + 3⁴ + 4² .

It is an unprimeable number.

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, 862 + ... + 2025.

It is an arithmetic number, because the mean of its divisors is an integer number (212268).

2^1680234 is an apocalyptic number.

1680234 is an abundant number, since it is smaller than the sum of its proper divisors (1716054).

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

1680234 is a wasteful number, since it uses less digits than its factorization.

1680234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1680234 is about 1296.2384039983. The cubic root of 1680234 is about 118.8839581551.

It can be divided in two parts, 16802 and 34, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 1680234 in words is "one million, six hundred eighty thousand, two hundred thirty-four".