694028 has 24 divisors (see below), whose sum is σ = 1303680. Its totient is φ = 322560.

The previous prime is 694019. The next prime is 694033. The reversal of 694028 is 820496.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a nialpdrome in base 15.

It is an unprimeable number.

694028 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 7 ways as a sum of consecutive naturals, for example, 3500 + ... + 3692.

It is an arithmetic number, because the mean of its divisors is an integer number (54320).

2⁶⁹⁴⁰²⁸ is an apocalyptic number.

It is an amenable number.

694028 is a deficient number, since it is larger than the sum of its proper divisors (609652).

694028 is a wasteful number, since it uses less digits than its factorization.

694028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 694028 is about 833.0834291954. The cubic root of 694028 is about 88.5371756953.

694028 divided by its sum of digits (29) gives a palindrome (23932).

The spelling of 694028 in words is "six hundred ninety-four thousand, twenty-eight".