683927144 has 8 divisors (see below), whose sum is σ = 1282363410. Its totient is φ = 341963568.

The previous prime is 683927113. The next prime is 683927161. The reversal of 683927144 is 441729386.

It can be written as a sum of positive squares in only one way, i.e., 399600100 + 284327044 = 19990^2 + 16862^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 683927095 and 683927104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42745439 + ... + 42745454.

Almost surely, 2^683927144 is an apocalyptic number.

It is an amenable number.

683927144 is a deficient number, since it is larger than the sum of its proper divisors (598436266).

683927144 is a wasteful number, since it uses less digits than its factorization.

683927144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85490899 (or 85490895 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 683927144 is about 26152.0007647599. Note that the first 3 decimals coincide. The cubic root of 683927144 is about 881.0555275047.

The spelling of 683927144 in words is "six hundred eighty-three million, nine hundred twenty-seven thousand, one hundred forty-four".