694004 has 6 divisors (see below), whose sum is σ = 1214514. Its totient is φ = 347000.

The previous prime is 693989. The next prime is 694019. The reversal of 694004 is 400496.

It is an interprime number because it is at equal distance from previous prime (693989) and next prime (694019).

It can be written as a sum of positive squares in only one way, i.e., 357604 + 336400 = 598^2 + 580^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 86747 + ... + 86754.

It is an arithmetic number, because the mean of its divisors is an integer number (202419).

2⁶⁹⁴⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

694004 is a deficient number, since it is larger than the sum of its proper divisors (520510).

694004 is a wasteful number, since it uses less digits than its factorization.

694004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173505 (or 173503 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 694004 is about 833.0690247513. The cubic root of 694004 is about 88.5361551233.

The spelling of 694004 in words is "six hundred ninety-four thousand, four".