1680984246 has 64 divisors (see below), whose sum is σ = 3534036480. Its totient is φ = 532358400.

The previous prime is 1680984229. The next prime is 1680984247. The reversal of 1680984246 is 6424890861.

It is a junction number, because it is equal to n+sod(n) for n = 1680984195 and 1680984204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680984247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3599305 + ... + 3599771.

It is an arithmetic number, because the mean of its divisors is an integer number (55219320).

Almost surely, 2^1680984246 is an apocalyptic number.

1680984246 is an abundant number, since it is smaller than the sum of its proper divisors (1853052234).

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

1680984246 is a wasteful number, since it uses less digits than its factorization.

1680984246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789.

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 1680984246 is about 40999.8078775986. The cubic root of 1680984246 is about 1189.0164992548.

The spelling of 1680984246 in words is "one billion, six hundred eighty million, nine hundred eighty-four thousand, two hundred forty-six".