1693228 has 6 divisors (see below), whose sum is σ = 2963156. Its totient is φ = 846612.

The previous prime is 1693201. The next prime is 1693249. The reversal of 1693228 is 8223961.

It is a self number, because there is not a number n which added to its sum of digits gives 1693228.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211650 + ... + 211657.

2^1693228 is an apocalyptic number.

It is an amenable number.

1693228 is a deficient number, since it is larger than the sum of its proper divisors (1269928).

1693228 is a wasteful number, since it uses less digits than its factorization.

1693228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423311 (or 423309 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 1693228 is about 1301.2409461741. The cubic root of 1693228 is about 119.1896324481.

The spelling of 1693228 in words is "one million, six hundred ninety-three thousand, two hundred twenty-eight".