694447 has 4 divisors (see below), whose sum is σ = 747880. Its totient is φ = 641016.

The previous prime is 694427. The next prime is 694457. The reversal of 694447 is 744496.

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

It is a cyclic number.

It is not a de Polignac number, because 694447 - 2⁷ = 694319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26697 + ... + 26722.

It is an arithmetic number, because the mean of its divisors is an integer number (186970).

2⁶⁹⁴⁴⁴⁷ is an apocalyptic number.

694447 is a deficient number, since it is larger than the sum of its proper divisors (53433).

694447 is a wasteful number, since it uses less digits than its factorization.

694447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53432.

The product of its digits is 24192, while the sum is 34.

The square root of 694447 is about 833.3348666653. The cubic root of 694447 is about 88.5549893924.

The spelling of 694447 in words is "six hundred ninety-four thousand, four hundred forty-seven".