694128 has 20 divisors (see below), whose sum is σ = 1793288. Its totient is φ = 231360.

The previous prime is 694123. The next prime is 694189. The reversal of 694128 is 821496.

694128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 694095 and 694104.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 694128.

It is not an unprimeable number, because it can be changed into a prime (694123) by changing a digit.

694128 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7183 + ... + 7278.

2⁶⁹⁴¹²⁸ is an apocalyptic number.

It is an amenable number.

694128 is an abundant number, since it is smaller than the sum of its proper divisors (1099160).

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

694128 is a wasteful number, since it uses less digits than its factorization.

694128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14472 (or 14466 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 694128 is about 833.1434450321. The cubic root of 694128 is about 88.5414278256.

The spelling of 694128 in words is "six hundred ninety-four thousand, one hundred twenty-eight".