694340 has 24 divisors (see below), whose sum is σ = 1474200. Its totient is φ = 274688.

The previous prime is 694339. The next prime is 694349. The reversal of 694340 is 43496.

It can be written as a sum of positive squares in 4 ways, for example, as 2116 + 692224 = 46^2 + 832^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (694349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2864 + ... + 3096.

It is an arithmetic number, because the mean of its divisors is an integer number (61425).

2⁶⁹⁴³⁴⁰ is an apocalyptic number.

It is an amenable number.

694340 is an abundant number, since it is smaller than the sum of its proper divisors (779860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

694340 is a wasteful number, since it uses less digits than its factorization.

694340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 694340 is about 833.2706643102. The cubic root of 694340 is about 88.5504409913.

The spelling of 694340 in words is "six hundred ninety-four thousand, three hundred forty".