684168476 has 12 divisors (see below), whose sum is σ = 1226497440. Its totient is φ = 333740640.

The previous prime is 684168469. The next prime is 684168491. The reversal of 684168476 is 674861486.

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, 2085716 + ... + 2086043.

It is an arithmetic number, because the mean of its divisors is an integer number (102208120).

Almost surely, 2^684168476 is an apocalyptic number.

It is an amenable number.

684168476 is a deficient number, since it is larger than the sum of its proper divisors (542328964).

684168476 is a wasteful number, since it uses less digits than its factorization.

684168476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171804 (or 4171802 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 50.

The square root of 684168476 is about 26156.6143833639. The cubic root of 684168476 is about 881.1591456995.

The spelling of 684168476 in words is "six hundred eighty-four million, one hundred sixty-eight thousand, four hundred seventy-six".