694040 has 16 divisors (see below), whose sum is σ = 1561680. Its totient is φ = 277600.

The previous prime is 694039. The next prime is 694061. The reversal of 694040 is 40496.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 693997 and 694015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8636 + ... + 8715.

It is an arithmetic number, because the mean of its divisors is an integer number (97605).

2⁶⁹⁴⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

694040 is an abundant number, since it is smaller than the sum of its proper divisors (867640).

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

694040 is a wasteful number, since it uses less digits than its factorization.

694040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17362 (or 17358 counting only the distinct ones).

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

The square root of 694040 is about 833.0906313241. The cubic root of 694040 is about 88.5376859725.

The spelling of 694040 in words is "six hundred ninety-four thousand, forty".