683402 has 4 divisors (see below), whose sum is σ = 1025106. Its totient is φ = 341700.

The previous prime is 683401. The next prime is 683407. The reversal of 683402 is 204386.

It is a happy number.

683402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 609961 + 73441 = 781^2 + 271^2 .

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (683401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170849 + ... + 170852.

2⁶⁸³⁴⁰² is an apocalyptic number.

683402 is a deficient number, since it is larger than the sum of its proper divisors (341704).

683402 is a wasteful number, since it uses less digits than its factorization.

683402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341703.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 683402 is about 826.6813170745. The cubic root of 683402 is about 88.0829967663.

Adding to 683402 its reverse (204386), we get a palindrome (887788).

The spelling of 683402 in words is "six hundred eighty-three thousand, four hundred two".