694479 has 4 divisors (see below), whose sum is σ = 925976. Its totient is φ = 462984.

The previous prime is 694471. The next prime is 694481. The reversal of 694479 is 974496.

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

It is not a de Polignac number, because 694479 - 2³ = 694471 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694471) 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, 115744 + ... + 115749.

It is an arithmetic number, because the mean of its divisors is an integer number (231494).

2⁶⁹⁴⁴⁷⁹ is an apocalyptic number.

694479 is a deficient number, since it is larger than the sum of its proper divisors (231497).

694479 is a wasteful number, since it uses less digits than its factorization.

694479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231496.

The product of its digits is 54432, while the sum is 39.

The square root of 694479 is about 833.3540664088. The cubic root of 694479 is about 88.5563495711.

The spelling of 694479 in words is "six hundred ninety-four thousand, four hundred seventy-nine".