683642 has 4 divisors (see below), whose sum is σ = 1025466. Its totient is φ = 341820.

The previous prime is 683603. The next prime is 683651. The reversal of 683642 is 246386.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 657721 + 25921 = 811^2 + 161^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 683642.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170909 + ... + 170912.

2⁶⁸³⁶⁴² is an apocalyptic number.

683642 is a deficient number, since it is larger than the sum of its proper divisors (341824).

683642 is a wasteful number, since it uses less digits than its factorization.

683642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341823.

The product of its digits is 6912, while the sum is 29.

The square root of 683642 is about 826.8264630501. The cubic root of 683642 is about 88.0933066790.

The spelling of 683642 in words is "six hundred eighty-three thousand, six hundred forty-two".