694321 has 8 divisors (see below), whose sum is σ = 724064. Its totient is φ = 665280.

The previous prime is 694319. The next prime is 694327. The reversal of 694321 is 123496.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 694321 - 2¹ = 694319 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (694327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2761 + ... + 3001.

It is an arithmetic number, because the mean of its divisors is an integer number (90508).

2⁶⁹⁴³²¹ is an apocalyptic number.

It is an amenable number.

694321 is a deficient number, since it is larger than the sum of its proper divisors (29743).

694321 is a wasteful number, since it uses less digits than its factorization.

694321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351.

The product of its digits is 1296, while the sum is 25.

The square root of 694321 is about 833.2592633749. The cubic root of 694321 is about 88.5496332824.

The spelling of 694321 in words is "six hundred ninety-four thousand, three hundred twenty-one".