694427 has 2 divisors, whose sum is σ = 694428. Its totient is φ = 694426.

The previous prime is 694409. The next prime is 694457. The reversal of 694427 is 724496.

694427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 694427 - 2¹⁰ = 693403 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 694393 and 694402.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 694427.

It is not a weakly prime, because it can be changed into another prime (694457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347213 + 347214.

It is an arithmetic number, because the mean of its divisors is an integer number (347214).

2⁶⁹⁴⁴²⁷ is an apocalyptic number.

694427 is a deficient number, since it is larger than the sum of its proper divisors (1).

694427 is an equidigital number, since it uses as much as digits as its factorization.

694427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 694427 is about 833.3228666009. The cubic root of 694427 is about 88.5541392595.

The spelling of 694427 in words is "six hundred ninety-four thousand, four hundred twenty-seven".