694397 has 4 divisors (see below), whose sum is σ = 757536. Its totient is φ = 631260.

The previous prime is 694391. The next prime is 694409. The reversal of 694397 is 793496.

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 not a de Polignac number, because 694397 - 2⁴ = 694381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 694397.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 694397.

It is not an unprimeable number, because it can be changed into a prime (694391) 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, 31553 + ... + 31574.

It is an arithmetic number, because the mean of its divisors is an integer number (189384).

2⁶⁹⁴³⁹⁷ is an apocalyptic number.

It is an amenable number.

694397 is a deficient number, since it is larger than the sum of its proper divisors (63139).

694397 is a wasteful number, since it uses less digits than its factorization.

694397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63138.

The product of its digits is 40824, while the sum is 38.

The square root of 694397 is about 833.3048661804. The cubic root of 694397 is about 88.5528640295.

Subtracting 694397 from its reverse (793496), we obtain a palindrome (99099).

The spelling of 694397 in words is "six hundred ninety-four thousand, three hundred ninety-seven".