1683412 has 6 divisors (see below), whose sum is σ = 2945978. Its totient is φ = 841704.

The previous prime is 1683403. The next prime is 1683433. The reversal of 1683412 is 2143861.

It can be written as a sum of positive squares in only one way, i.e., 1602756 + 80656 = 1266^2 + 284^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210423 + ... + 210430.

2^1683412 is an apocalyptic number.

It is an amenable number.

1683412 is a deficient number, since it is larger than the sum of its proper divisors (1262566).

1683412 is a wasteful number, since it uses less digits than its factorization.

1683412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420857 (or 420855 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 1683412 is about 1297.4636796458. The cubic root of 1683412 is about 118.9588634501.

It can be divided in two parts, 1683 and 412, that multiplied together give a palindrome (693396).

The spelling of 1683412 in words is "one million, six hundred eighty-three thousand, four hundred twelve".