1684770964 has 24 divisors (see below), whose sum is σ = 3105515840. Its totient is φ = 797537664.

The previous prime is 1684770931. The next prime is 1684770973. The reversal of 1684770964 is 4690774861.

It is a super-2 number, since 2×1684770964² = 5676906402274978592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129292 + ... + 141724.

Almost surely, 2^1684770964 is an apocalyptic number.

It is an amenable number.

1684770964 is a deficient number, since it is larger than the sum of its proper divisors (1420744876).

1684770964 is a wasteful number, since it uses less digits than its factorization.

1684770964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14239 (or 14237 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 1684770964 is about 41045.9616040360. The cubic root of 1684770964 is about 1189.9086538644.

The spelling of 1684770964 in words is "one billion, six hundred eighty-four million, seven hundred seventy thousand, nine hundred sixty-four".