694788 has 12 divisors (see below), whose sum is σ = 1621200. Its totient is φ = 231592.

The previous prime is 694783. The next prime is 694789. The reversal of 694788 is 887496.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 694788.

It is not an unprimeable number, because it can be changed into a prime (694781) by changing a digit.

694788 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 28938 + ... + 28961.

It is an arithmetic number, because the mean of its divisors is an integer number (135100).

2⁶⁹⁴⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

694788 is an abundant number, since it is smaller than the sum of its proper divisors (926412).

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

694788 is a wasteful number, since it uses less digits than its factorization.

694788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57906 (or 57904 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 694788 is about 833.5394411784. The cubic root of 694788 is about 88.5694816479.

The spelling of 694788 in words is "six hundred ninety-four thousand, seven hundred eighty-eight".