1768312 has 48 divisors (see below), whose sum is σ = 4165560. Its totient is φ = 697536.

The previous prime is 1768303. The next prime is 1768313. The reversal of 1768312 is 2138671.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1768313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4923 + ... + 5269.

2^1768312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1768312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2082780).

1768312 is an abundant number, since it is smaller than the sum of its proper divisors (2397248).

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

1768312 is a wasteful number, since it uses less digits than its factorization.

1768312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 369 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 1768312 is about 1329.7789289953. The cubic root of 1768312 is about 120.9259843767.

It can be divided in two parts, 1768 and 312, that added together give a triangular number (2080 = T₆₄).

The spelling of 1768312 in words is "one million, seven hundred sixty-eight thousand, three hundred twelve".