683478 has 20 divisors (see below), whose sum is σ = 1531860. Its totient is φ = 227772.

The previous prime is 683477. The next prime is 683479. The reversal of 683478 is 874386.

It is an interprime number because it is at equal distance from previous prime (683477) and next prime (683479).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683471) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1948 + ... + 2271.

It is an arithmetic number, because the mean of its divisors is an integer number (76593).

2⁶⁸³⁴⁷⁸ is an apocalyptic number.

683478 is an abundant number, since it is smaller than the sum of its proper divisors (848382).

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

683478 is a wasteful number, since it uses less digits than its factorization.

683478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233 (or 4224 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 683478 is about 826.7272827239. The cubic root of 683478 is about 88.0862618331.

The spelling of 683478 in words is "six hundred eighty-three thousand, four hundred seventy-eight".