683407 has 2 divisors, whose sum is σ = 683408. Its totient is φ = 683406.

The previous prime is 683401. The next prime is 683437. The reversal of 683407 is 704386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 683407 - 2¹⁹ = 159119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341703 + 341704.

It is an arithmetic number, because the mean of its divisors is an integer number (341704).

2⁶⁸³⁴⁰⁷ is an apocalyptic number.

683407 is a deficient number, since it is larger than the sum of its proper divisors (1).

683407 is an equidigital number, since it uses as much as digits as its factorization.

683407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 683407 is about 826.6843412089. The cubic root of 683407 is about 88.0832115807.

The spelling of 683407 in words is "six hundred eighty-three thousand, four hundred seven".