1680047384 has 16 divisors (see below), whose sum is σ = 3151217520. Its totient is φ = 839722720.

The previous prime is 1680047377. The next prime is 1680047429. The reversal of 1680047384 is 4837400861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12947 + ... + 59394.

It is an arithmetic number, because the mean of its divisors is an integer number (196951095).

Almost surely, 2^1680047384 is an apocalyptic number.

It is an amenable number.

1680047384 is a deficient number, since it is larger than the sum of its proper divisors (1471170136).

1680047384 is a wasteful number, since it uses less digits than its factorization.

1680047384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75250 (or 75246 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 1680047384 is about 40988.3810853759. The cubic root of 1680047384 is about 1188.7955669078.

The spelling of 1680047384 in words is "one billion, six hundred eighty million, forty-seven thousand, three hundred eighty-four".