690794 has 12 divisors (see below), whose sum is σ = 1122786. Its totient is φ = 316872.

The previous prime is 690793. The next prime is 690817. The reversal of 690794 is 497096.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 664225 + 26569 = 815^2 + 163^2 .

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 690794.

It is not an unprimeable number, because it can be changed into a prime (690793) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4157 + ... + 4319.

2⁶⁹⁰⁷⁹⁴ is an apocalyptic number.

690794 is a deficient number, since it is larger than the sum of its proper divisors (431992).

690794 is a wasteful number, since it uses less digits than its factorization.

690794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 690794 is about 831.1401807156. The cubic root of 690794 is about 88.3994410399.

The spelling of 690794 in words is "six hundred ninety thousand, seven hundred ninety-four".