1768916 has 6 divisors (see below), whose sum is σ = 3095610. Its totient is φ = 884456.

The previous prime is 1768903. The next prime is 1768927. The reversal of 1768916 is 6198671.

It can be written as a sum of positive squares in only one way, i.e., 1768900 + 16 = 1330^2 + 4^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1768916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221111 + ... + 221118.

It is an arithmetic number, because the mean of its divisors is an integer number (515935).

2^1768916 is an apocalyptic number.

It is an amenable number.

1768916 is a deficient number, since it is larger than the sum of its proper divisors (1326694).

1768916 is a wasteful number, since it uses less digits than its factorization.

1768916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442233 (or 442231 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 1768916 is about 1330.0060150240. The cubic root of 1768916 is about 120.9397509858.

It can be divided in two parts, 17689 and 16, that multiplied together give a square (283024 = 532²).

The spelling of 1768916 in words is "one million, seven hundred sixty-eight thousand, nine hundred sixteen".