694469 has 4 divisors (see below), whose sum is σ = 731040. Its totient is φ = 657900.

The previous prime is 694457. The next prime is 694471. The reversal of 694469 is 964496.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-694469 is a prime.

It is a super-2 number, since 2×694469² = 964574383922, which contains 22 as substring.

It is an Ulam 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 (694409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18257 + ... + 18294.

It is an arithmetic number, because the mean of its divisors is an integer number (182760).

2⁶⁹⁴⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

694469 is a deficient number, since it is larger than the sum of its proper divisors (36571).

694469 is a wasteful number, since it uses less digits than its factorization.

694469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36570.

The product of its digits is 46656, while the sum is 38.

The square root of 694469 is about 833.3480665364. The cubic root of 694469 is about 88.5559245198. Note that the first 3 decimals are identical.

Subtracting from 694469 its sum of digits (38), we obtain a triangular number (694431 = T₁₁₇₈).

The spelling of 694469 in words is "six hundred ninety-four thousand, four hundred sixty-nine".